known traveller number pal

OCTOBER 27, 2022

• INQUIRER.NET
• F&B REPORT
• Latest Lifestyle Stories , Travel

PAL passengers can now avail of US TSA Pre-Check Program

• February 5, 2018

Philippine Airlines is now part of the Transportation Security Administration’s TSA Pre-Check (Pre) program which makes passengers flying out of the United States eligible for a quick, convenient, hassle–free screening procedure.

Eligible travelers departing on PAL flights from Los Angeles, San Francisco, New York JFK, Honolulu and Guam starting February 2, 2018, will essentially be spared from the inconvenience of having to remove their shoes, light jackets, and belts. Liquids and laptops may remain in carry-on bags at TSA PreP® checkpoints. Children 12 years and younger may accompany an adult who has TSA Pre-Check.

U.S. citizens, U.S. lawful permanent residents, and citizens of certain other countries are eligible to join the trusted traveler programs of the U.S. Department of Homeland Security. For TSA Pre-Check screening, TSA accepts some members of NEXUS and SENTRI, and all members of Global Entry and the TSA Pre-Check application program.

Once approved in a program, travelers receive a Known Traveler Number (KTN) to enter in reservations when booking flights on Philippine Airlines. Travelers may refer to  DHS.gov  for more details, and to choose the DHS Trusted Traveler Program that is right for their particular cases.

With a valid Known Traveler Number in a reservation, the TSA Pre-Check indicator should appear on a boarding pass when checking in for a flight. At U.S. airport checkpoints, passengers should look for the TSA Pre-Check entrance. If there is no TSA Pre-Check lane in operation, passengers should follow TSA officer instructions to ensure the quickest, easiest screening possible.

“As the airline operating the greatest number of routes and flights from the U.S. to the Philippines, Philippine Airlines is always looking for ways to make the travel experience more comfortable for our valued customers,” said PAL President and COO Jaime J. Bautista. “We are pleased to be part of the Pre-Check program so that our eligible flyers may go through screening lanes with ease and speed, while at the same time enhancing the security check procedure out of the United States.”

Subscribe to our daily newsletter

By providing an email address. I agree to the Terms of Use and acknowledge that I have read the Privacy Policy .

MOST VIEWED STORIES

• LIFESTYLE.INQ Culture , LIFESTYLE.INQ Latest

‘Alahas’ author Gigi Bermejo encourages self-discovery through jewelry

• BY Lala Singian
• March 27, 2024

• LIFESTYLE.INQ Human Interest , LIFESTYLE.INQ Latest

Motherhood & me: How to better understand and communicate with children

• BY Tricia Centenera

• LIFESTYLE.INQ Editor's Picks , LIFESTYLE.INQ Entertainment , LIFESTYLE.INQ Latest

‘The Zone of Interest’: Condemning apathy in the Third Reich

• BY Hannah Manuel

Get your groove on at these 4 Manila jazz bars

• BY Ashley Valderrama
• March 26, 2024

TOP STORIES

MORE FROM LIFESTYLE.INQ

FROM THE NICHE TITLES

CURRENT. DYNAMIC. INSIDER.

The latest in global fashion, beauty, and culture through a contemporary Filipino perspective.

CONNECT WITH US

• instagram.com/lifestyle.inq
• facebook.com/lifestyle.inq
• youtube.com/lifestyle.inq
• [email protected]

Stay in touch and get the latest stories from the LIFESTYLE.INQ newsletter

• ENTERTAINMENT
• HUMAN INTEREST

COPYRIGHT © LIFESTYLE INQUIRER 2022

An official website of the United States government

Here’s how you know

Official websites use .gov A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS A lock ( Lock A locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

• Trusted Traveler Programs

TSA PreCheck®

What is tsa precheck ® .

The TSA PreCheck ® program expedites traveler screening through participating TSA security checkpoints (for a complete list of participating airports, visit the TSA PreCheck® Airports and Airlines page 1-866-289-9673 -->). No need to remove shoes, belts, 3-1-1 liquids, laptops, or light jackets.

Are You Eligible?

U.S. citizens, U.S. lawful permanent residents and citizens of partner countries enrolled in Global Entry , NEXUS or SENTRI are eligible to participate in TSA PreCheck ® , as well as Canadian citizens who are members of NEXUS.

How It Works

If you are an eligible Global Entry, NEXUS or SENTRI member, enter your membership number (PASS ID) in the “Known Traveler Number” field when booking reservations, or enter it into your frequent flyer profile with the airline. The membership number enables Transportation Security Administration’s (TSA) Secure Flight System to verify that you are a legitimate CBP Trusted Traveler and eligible to participate in TSA PreCheck ® .

Where You Can Find Your Membership Number

You can find your Trusted Traveler member number by logging into your Trusted Traveler Programs (TTP) account. Your membership number is listed toward the bottom of the page. Your membership number is also located on the back of your Trusted Traveler card in the upper-left corner.

The TSA PreCheck ® program expedites traveler screening through TSA security checkpoints. For a complete list of participating airports in TSA PreCheck ® or for more information, visit www.tsa.gov or call the TSA Contact Center at 1-866-289-9673 .  

U.S. citizens and lawful permanent residents enrolled in Global Entry, NEXUS or SENTRI are eligible to participate in TSA PreCheck ® , as well as Canadian citizens who are members of NEXUS.  

If you are an eligible Global Entry, NEXUS or SENTRI member, enter your membership number (PASS ID) in the “Known Traveler Number” field when booking reservations, or enter it into your frequent flyer profile with the airline. The membership number enables Transportation Security Administration’s (TSA) Secure Flight System to verify that you are a legitimate CBP Trusted Traveler and eligible to participate in TSA PreCheck ® .  

How to Lookup Your Known Traveler Number (Pre-Check & Global Entry)

Learn how to easily lookup your Known Traveler Number for TSA PreCheck & Global Entry, ensuring smoother travel. Essential info for all travelers.

Traveling in the post-Covid-19 era has become a lot trickier. Even though some restrictions have been reduced, certain travel requirements must be met - compulsory quarantine, PCR tests, and location tracking apps. For this reason, many people devise other means possible to make their trips easier.

Your Known Traveler Number (KTN) is the same as your TSA number or TSA travel number. You will be given your KTN after you complete your application process and pay your processing fee of $85 to grant your interview and record you fingerprint. If you lose your number, you can look it up on the TSA Trusted Traveler Program's Website .

Interestingly, CLEAR, NEXUS, TSA PreCheck, and Global Entry make traveling easier. As far as you have the valid documents, you'll be excused to skip lines and expedite airport screening, thereby saving time for yourself. 

There won't be any need to remove your laptop from its case. Also, with the TSA Precheck, you won't have to remove your light jacket, belt, or shoes. Read on to find more interesting benefits of the Known Traveler Number.

What is a Known Traveler Number?

Known Traveler Number (KTN) is the basic identifier and primarily serves as the TSA number . However, those qualified for TSA PreCheck aren't issued identification cards like members of other Trusted Traveler Programs like Nexus, Global Entry, SENTRI, etc.

The KTN is handy since it'll be needed for every valid flight booking. With KTN, you'll be eligible for screening benefits. Simply put, your Known Traveler Number is your membership number with the Trusted Traveler Program. 

KTN allows you to access Global Entries and TSA PreCheck security benefits. However, that depends majorly on the Trusted Traveler Program you register for. A traveler number is a 9-digit number that links the TSA PreCheck to your travel arrangements to ensure you can receive all the benefits. 

Is the Known Traveler Number the Same as TSA PreCheck?

Even though it's not obvious, your Global Entry or TSA PreCheck number is the same as your Known Traveler Number. All you need to do is fill in your Known Traveler Number in the designated field when booking your flight. 

In most situations, you'll not have to take your Global Entry card to access the Global Entry or TSA PreCheck lanes at the airport. However, some airports request travelers to show their physical cards before going onboard.

This development is mostly the case at airports that allow travelers with Global Entry to clear security in advance, especially for flights moving from Canada. It also happens when moving to the U.S. by car via SENTRI or NEXUS lanes.

What's the Difference Between TSA PreCheck and Global Entry?

Global Entry and TSA PreCheck are parts of the Department of Homeland Security (DHS) Trusted Traveler Programs. Global Entry offers fast U.S. customs screening for those traveling by international flights to the U.S. On the other hand, TSA PreCheck offers efficient security screening benefits for flights leaving U.S. airports. 

Most of all, Global Entry members benefit from TSA PreCheck as a part of their membership. Therefore, after successfully completing the Global Entry application, you'll have access to Two Trusted Traveler Programs, not just one.

Most travelers consider the expedited security screening at the airport the best benefit of the TSA PreCheck. So, it doesn't matter whether you prefer keeping your luggage packed and your shoes on or you like finishing the airport security screening in no time; TSA PreCheck has so much in stock. If you're a regular traveler, applying for TSA PreCheck and becoming a Trusted Traveler is one of the best decisions you'll ever make.

For Global Entry, travelers who board international flights regularly consider the best benefit to be having to hasten custom processes when they return to the U.S.

If you majorly travel within the United States, your best choice is probably TSA PreCheck. Once you're part of the TSA PreCheck membership, you'll have access to all the benefits it offers at almost all domestic U.S. airports. 

However, if you're confused about which is the best for you, you can find the best choice on the Department of Homeland Security Trusted Traveler Program's website. 

How Do I Find My Global Entry Known Traveler Number?

You can find your Known Traveler Number on the back of your Global Entry card. If you are enrolled in SENTRI or NEXUS, you'll find your PASSED number on the back of your card.

If it's just TSA PreCheck that you have, log in to the Trusted Traveler Program website to access your Known Traveler Number. However, if you ever lose your SENTRI, NEXUS, or Global Entry card, you can use the Trusted Traveler Program website to find your Known Traveler Number.

All U.S. citizens, legal or national residents without a criminal record, are eligible to register for the TSA PreCheck membership program. Additionally, if you're an immigrant, you can inquire about the steps for the application process via the Department of Homeland Security website. 

To get your Known Traveler Number, you can apply quickly online. After that, you'll have to schedule a one-on-one TSA PreCheck interview appointment at any enrollment center nearby. You'll need to go with your identification card and other vital documents for the appointment. The interview process is usually fair and easy. 

The proof of identity includes U.S. government-issued photo identifications such as birth certificates, passports, or driver's licenses. Once the interview process is successful, you'll be issued your KTN.

Is the Redress Number the Same as the Traveler Number?

The redress program is different from the Known Traveler program. Trusted Travelers are issued KTN (Known Traveler Number). Travelers that apply for redress consideration are issued a redress control number. This redress number is not the same as the Known Traveler Number.

A redress number is a 7-digit code the TSA gives to help verify a traveler's identity and prevent them from being identified wrongly. Simply put, a Redress Control Number (RCN) is a case number that refers to a passenger's application for redress through the Department of Homeland Security Traveler Redress Inquiry Program (DHS TRIP) program.

The DHS TRIP program serves as a channel that helps to reduce the rate of misidentification among travelers. It also aids easy clarification of identity by travelers with the Transportation Security Administration (TSA) to ensure no more confusion with the entire watch list of members. 

In simple terms, the redress program is set up to help travelers who may be wrongly identified as a person on the TSA Watch List. For clarification purposes, the TSA Watch List refers to a database of individuals considered a potential travel risk. It's not the same as the No-Fly List, which lists individuals who have been outrightly banned from traveling. 

In addition, in a situation where a traveler is always listed for extra screening, it's most likely because the TSA has wrongly identified them as a person on the TSA Watch List. So, applying for the redress program via the Department of Homeland Security Traveler Redress Inquiry will give you a better traveling experience.

How Do I Look Up My TSA PreCheck Status?

The first step is to look for your membership card. If you're a SENTRI, Global Entry, or NEXUS program member, your TSA PreCheck status is on the back of your card. If you've previously enrolled in the PreCheck program before enrolling in Global Entry, you can use your PASSED. 

Your PASSED is a 9-digit number that usually starts with 99, 98, or 15. Since the SENTRI, NEXUS, and Global Entry programs offer extra services that aren't included in the TSA PreCheck program, enrolling in these programs comes with more benefits than enrolling in just PreCheck. 

If you're enrolled in Precheck, check your approval letter for your status. TSA typically sends a notification whenever an enrollment into the program is approved. This letter also contains your KTN. You'll have to explore a second option if you don't find this letter in your records.

The second option is to go to the Trusted Traveler Program website and scroll to the bottom of the page. Search for your TSA PreCheck status. Ensure you provide the needed information exactly how you submitted it during the application process.

How Do I Add Ny TSA PreCheck to My Boarding Pass?

First, to apply for TSA PreCheck, you'll pay a fee, submit the necessary documents (information) for a background check, and go for a one-on-one interview. The application fee is $85, and the membership period spans five years, usually $17 per year. However, a lot of travel credit cards compensate for the application fee.

Every airline has its process of adding TSA PreCheck to your boarding pass, flyer profile, or ticket. Adding the PreCheck to your boarding pass doesn't guarantee that the number will immediately apply to your next reservation. 

Southwest Airlines  

For Southwest Airlines, to add TSA PreCheck to your boarding pass, you'll need to follow certain steps:

• Enter your PreCheck number during the booking process.
• Choose your flight dates and time, and input your name in the “Who's Flying” column.
• Then, select “Secure Traveler's Information” and input your PreCheck number in the “Known Traveler Number” section.

Once you do all of that accordingly, your PreCheck number will be sent alongside your other personal information to TSA's Secure Flight System for processing and approval. 

American Airlines

The simplest way to add TSA PreCheck to your boarding pass for American Airlines is to update your Advantage profile with your number. Here are the steps to follow:

• Log in to the site and sign in to your account. 
• Select “information and password” and enter the necessary information. 
• Then, input your PreCheck number in the “Known Traveler Number” column in the “Secure Traveler” section.

If you already have an existing reservation, to add your PreCheck to your boarding pass, you'll need to edit each flight detail manually to input your number before checking in. If you find it difficult, you can call customer service to assist you.

Also, you can add your TSA PreCheck number to your Southwest Rapid Rewards member profile. Your information will be sent automatically to the TSA as part of the booking reservations.

Why is My TSA PreCheck Not Showing On My Boarding Pass?

There are several reasons why your TSA PreCheck may not be showing on your boarding pass:

1. You Didn’t Add Your Known Traveler Number to Your Airline Account

With your KTN, you can walk through security checkpoints without taking off your jacket, shoes, belt, etc. During the TSA PreCheck sign-up process, you'll be issued the Known Traveler Number. This number indicates that you aren't a threat to the lives of Americans.

When you're issued this number, you'll need to log in to all your airline loyalty accounts and add it to the “Secure Traveler” section of your airline accounts. When you do that, you'll automatically be eligible to book flights through American Airlines. There’s a “TSA Pre,” on your boarding pass, which signifies your TSA PreCheck status. 

Take note that you will not have access to the TSA PreCheck lane if your boarding pass doesn't say “TSA Pre.” Even if you have membership proof (such as a NEXUS card), you will not be able to walk through the TSA PreCheck lane and show your documents to the security officer.

2. Your Identity Isn't the Same on Your Boarding Pass

Once there's a mistake between the name on your boarding pass and your ID, you won't be eligible for the TSA PreCheck. For instance, if you got married recently and changed your last name, or if you forget to input your middle name when buying your ticket, the airline security algorithm will mark it as an error. 

3. You Booked an Airline That isn't Part of the TSA PreCheck

You have to take note that not all airlines are part of the TSA PreCheck program. For instance, if you’re flying to Ireland using Aer Lingus, you won't get past the security checkpoint without being screened.

Also, when you book a flight from a non-participating airline on a participating airline, you won't qualify for TSA PreCheck. For example, American and Iberia airlines are partnering airlines. American Airlines is part of the TSA PreCheck program, but Iberia airlines aren't. If you book a flight for American Airlines to Iberia, they won't recognize that you have TSA PreCheck benefits.

4. You're Traveling with a Baby (An Infant)

In some situations, traveling with an infant may disqualify them from accessing the benefits of TSA PreCheck. There's no need to feel worried. You'll have to pass the necessary screening and get on board. 

5. Your TSA PreCheck Membership Has Expired 

TSA PreCheck membership usually lasts for five years before expiration. Most travel credit cards with TSA PreCheck require credit renewal every four years or, therefore, allowing you to renew your membership before it expires. As you know, you won't gain access to the program's benefits when your membership expires.

6. TSA PreCheck Lanes May Not Be Open

TSA PreCheck lanes open and close at different times, depending on the airport. If you book a flight for an odd time, you may arrive at the airport and realize there's no manned TSA PreCheck lane.

7. You Don't Want to Leave Your 12± Year-Old Children Behind

If you've enrolled in the TSA PreCheck program, but your children are of age and don't have their membership, you'll have to forfeit your benefits and walk through the check line with them.

Children who are 12+ years are eligible to have their own TSA PreCheck membership to pass through the lane with you. You can choose to pay the $85 application fee or apply for a TSA PreCheck credit with a credit card.

Is Global Entry Linked to Your Passport?

Global Entry isn't linked to your passport. You need detailed biographical information when setting up your Global Entry account. In some airports, you'll need just a valid ID and passport to check in, but in others, you'll need your Global Entry card. 

To activate your Global Entry card, log in to your Trusted Traveler Program (TTP) account. After logging in, click on the “Activate Membership Card” link below the Program Memberships section. You'll then be asked to set up a “login.gov” account.

This account requires more of your biographical information and your Known Traveler Number (KTN) or PASSED (at the back of your card). After inputting the number, the system will verify whether the number matches other information on the record. After verification, you can activate your card using the 3-digit Security Code at the back of your card. 

Is TSA PreCheck Included in Global Entry?

Yes, Global Entry includes TSA PreCheck. TSA PreCheck is an arranged form of security screening in the U.S., where members don't need to remove their electronics from their bags or jackets from their bodies. 

This process allows eligible members to pass through a standard metal detector, not a full body scan machine. They are made to undergo random full scans where they'll be sent to the regular security checkpoint and asked to remove their shoes and laptops. So, you may not have TSA PreCheck perks just because you have a TSA PreCheck membership. 

Can You Add Global Entry to TSA PreCheck?

As a TSA PreCheck holder, you can upgrade to Global Entry with a fee of $100. With this upgrade, you'll have access to all TSA PreCheck benefits and easy access to enter the U.S. when you return from abroad.

Adding Global Entry to TSA PreCheck is very simple. All you need to do is log in to your Trusted Traveler Program (TTP) account, complete the application, and pay the fee.

If your application is approved conditionally, you'll be instructed to schedule an interview at a Global Entry Enrollment Center. Take note that each applicant is expected to schedule a separate interview.

In addition, even though Global Entry includes access to TSA Precheck, it doesn't work reciprocally. All current TSA PreCheck members must pay to upgrade to Global Entry and undergo the same application process as any other applicant.

Does Global Entry Give You a Card?

Yes. Global Entry cards are given to Global Entry members who are citizens of the United States. The application fee for the Global Entry Program is $100. The fee is non-refundable and is due at the time of application. Most of all, it applies to adults, children, and infants alike.

Some credit cards usually refund the fee for the flyer. You need to check your issuing bank and confirm whether your credit card is qualified. Note that the membership lasts for just five years and is subject to renewal (same fee of $100).

How Long Does it Take to Get a Global Entry Card?

The U.S. Customs and Border Protection website states that getting a Global Entry card takes between 6 and 8 weeks . However, in some situations, some applicants have waited more than the expected wait period. Also, the 6 to 8 weeks time frame doesn't include the interview and application process. 

The process takes as long as one year. So, it's better to plan your proposed travel dates. You'll need to activate the card when you've been issued a Global Entry card. All land border crossings require activation. 

Where is a Known Traveler Number on a Global Entry Card?

The Known Traveler Number is a nine-digit code found on the back of your Global Entry card. Eligible members of TSA can also log in to their Trusted Traveler Program account to access their KTN.

The Known Traveler Number grants you access to Global Entry lanes at sea, land, and airports. For approved Global Entry members, the Known Traveler Number is the Customs and Border Protection (PASSED).

Where Can I Find My Global Entry Number Without My Card?

If you lose your Global Entry card, you can log in to your account on the Trusted Traveler Program website to find your Global Entry number.

For members who have been approved for the TSA PreCheck Program, the Global Entry number is usually nine digits long and can be a combination of letters and numbers. It mostly begins with “TT.”

Do I Need a Global Entry Card at the Airport?

Members of the Global Entry Program are eligible for the expedited airport screening when coming to or leaving the U.S. by their Global Entry card or details from it, depending on the type of entry port they're using. 

On arrival at the airport, members will most likely need to input details from their Global Entry card into a computerized customs form. Air passengers must scan their permanent residency card or machine-readable passport, provide fingerprints for identification purposes, and fill out a customs declaration form. 

After that, the member is given a receipt which will prompt them to move to the inspection booth for an interview or to baggage claim. 

So, if you are entering the U.S. by sea or land (especially at the Mexican or Canadian border), you'll need the Global Entry card to finalize the processes. That's because the card has RFID (Radio Frequency Identification) technology (which processes and expedites Entry).

Some seaports also process Entry and re-entry using RFID, but not all ports offer that. Therefore, it's best to take your Global Entry card when coming into or leaving the United States at any port.

Can I Use My Global Entry Card to Fly Domestically?

Global Entry cards are valid under the new regulations, just like other forms of military ID and government-issued IDs. You can use valid passports to pass through security checkpoints for domestic flights. Some passengers still carry passports when booking international flights.

So, the Global Entry card works for both domestic and international flights. Even though it's not so necessary to take your Global Entry card along with you to the airport, you'll still need certain pieces of information from the card while at the customs personnel's desk. 

If you're not with your Global Entry card and are not traveling via land or sea, log in to your Trusted Traveler Program account to access all the information you'll need for security processing.

What Happens If I Lose My Global Entry Card?

If your Global Entry card got damaged or misplaced, you can request a new one via your Trusted Travelers Program (TTP) account.

To request a new Global Entry card:

• Log into your TTP account 
• Select the “replace card” option under the Program Membership section. 
• Then, select the reason for your action. Take note that you'll have to pay a $25 replacement fee before a new card is issued and sent to the email address on your profile. For security reasons, the cards are sent via mail in plain white envelopes and are not forwarded.

However, since the physical card isn't required at airports in the United States, you can log in to your TTP account and get the necessary details to submit at the checkpoint.

You may also like...

Fisherman’s wharf, sf travel guide (activities, restaurants, parking).

Imagine uncovering San Francisco's seaside heartbeat at Fisherman's Wharf—where adventures bob with the tides, flavors beckon, and parking secrets await your discovery. Dive into the ultimate Wharf wanderer's guide.

Win a $500 Flight!

Embark on the adventure of a lifetime! Enter our Dream Journey Sweepstakes for a chance to win a $500 travel voucher, redeemable with any major US airline. Whether it's sandy beaches, bustling cities, or tranquil mountains, your dream destination is just an email away!*

Best Season for Greece: Travel Tips & Events Guide

Plan your perfect Greek vacation with our guide on the best seasons, travel tips, and events. Make the most of your trip whether you're into history, cuisine, or beaches.

Discover the Best Time to Visit Italy

Find the ideal season for your Italian escape: from serene winters to vibrant springs, each offers unique experiences. Perfect for travelers seeking the best time to visit Italy.

Top 10 Must-See Attractions in Rome (The Eternal City!)

Explore the top 10 attractions in Rome, from St. Peter’s Basilica to the Colosseum, and immerse yourself in the city's rich history and culture. Perfect for travelers.

These Are The 10 Best Cities for Winter Experiences, According to TikTok

Explore the top 10 cities for winter fun on TikTok! From London's festive charm to New York's iconic NYE, find your perfect cold-weather escape.

Lived in Texas All Her Life, and These Are Her Favorite Hidden Gems in the State

Ever think Texas is all cowboy boots and rodeos? Buckle up, as a lifelong Texan reveals her secret spots that'll make you fall for the Lone Star State all over again.

This Is the Most Fun City in the U.S., According to Research

Strap in, jet-setters! The ultimate fun city crown has been claimed, and your travel bucket list is about to get a wild new entry. Can you guess where the party never stops?

The travel site  inspired by travelers and locals alike. Find amazing destinations, unique trip ideas, the best hotels, and most comfortable resorts.

The .gov means it's official.

Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

This site is secure.

The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

• TSA PreCheck®

TSA PreCheck® KTN Lookup

Enter information.

Please enter your information below (letters, spaces, hyphens (-), and apostrophes (') are allowed in name fields). Then click "Submit" to retrieve your KTN.

This tool is for TSA PreCheck® Application Program members only. Global Entry, NEXUS or SENTRI members may retrieve their PASSID (which serves as the KTN) at the Trusted Traveler Program website or on their Trusted Traveler card. Employment-based TSA PreCheck® members can find more details here:   DoD   HME   TWIC®

Note: information provided below must match information provided during enrollment.

Please Provide Method of Contact ( * At least one is required )

UponArriving

Known Traveler Number Guide: (How to Lookup, Global Entry, Pre-Check) [2023]

This comprehensive article will tell you everything you need to know about your Known Traveler Number.

I’ll cover how you can get one and the best way to do that with programs like TSA Pre-Check and Global Entry. I’ll show you how to look-up your Known Traveler Number and add it to your travel itineraries with airlines like United, Southwest, and Delta.

Finally, I’ll explain the differences between a Known Traveler Number and a Redress Number.

Table of Contents

What is a Known Traveler Number?

A Known Traveler Number, also called your “KTN,” is a 9-digit number used to link your TSA Pre-Check enrollment to your travel itinerary in order to ensure that you can receive TSA Pre-Check benefits like expedited security screening.

This is the same number used for other trusted traveler programs, such as Global Entry, NEXUS, and SENTRI . However, for these latter programs, this number is known as your “PASSID.”

Tip: Use the free app WalletFlo to help you travel the world for free by finding the best travel credit cards and promotions!

Why do you want a Known Traveler Number?

With a Known Traveler Number, you can participate in TSA Pre-Check, which means you’ll be able to breeze through security at airports.

How do you get a Known Traveler Number?

You can get a Known Traveler Number by signing up, getting approved, and paying the fees for any of the following programs:

TSA Pre-Check

Global entry.

As already discussed, TSA Pre-Check will usually get you through airport security in a breeze.

You’ll usually get access to a priority security line which is often much shorter than the standard security line (though not always, unfortunately).

You’ll also be able to go through a less restrictive and invasive screening process. You often only have to pass through a traditional metal detector (as opposed to the full-body scanners) and you also get to enjoy the following benefits:

• Shoes can stay on
• Belt can stay on
• Light jackets can stay on
• Laptops allowed to stay in bag
• Liquids ( 3-1-1 Rule ) can stay in bag

This program costs $78 to enroll for five years and it does not require the extensive interview process that Global Entry requires. There are multiple ways to get TSA Pre-Check for free and you can read about those here.

Global Entry would be my preferred method for obtaining a Known Traveler Number. That’s because not only will you get TSA Pre-Check, but you’ll also get expedited entry at Customs and Immigration when making your way back into the US.

This program does require you to attend an interview to be approved but the interview process is not difficult at all . If you’ve got a clean criminal history and come prepared with your documents then you should pass the background check and interview without any issues at all.

In some cases this “interview” process will only take about five minutes total.

You might get asked some very basic questions like what countries you have visited and whether or not you have traveled for business or pleasure. It’s hardly anything close to an interrogation in most cases.

The hardest part is often scheduling the interview because availability can be limited and in some cases it might take weeks (or even months) to find an open slot.

Luckily, some airports offer interviews upon arriving from international locations. So if you have some international travel coming up, this can be one of the easiest ways to get approved for Global Entry.

There are many credit cards that come with a $100 statement credit for your Global Entry application fee, so it’s very easy to get this program for free. My personal recommendations for getting a $100 statement credit for your Global Entry/TSA Pre-Check is to go with the United Explorer Card. It has great perks and a low annual fee and you can read more about it here! 

Since you’ll get both TSA Pre-Check and expedited entry back into the US, I think Global Entry is the way to go for many people.

NEXUS is a joint program between the US and Canada that will grant pre-approved, low-risk travelers expedited entry into  both  Canada and the US. Specifically, membership in the NEXUS program allows you to reduce your wait times at designated ports of entry by:

• Using dedicated processing lanes at land border crossings
• Using NEXUS kiosks when entering Canada
• Using their card in dedicated SENTRI lanes along the U.S.-Mexico border
• Using Global Entry kioks when entering the United States, and
• Calling a marine telephone reporting center to report your arrival into the United States and Canada

You may also be granted access to the Canadian Air Transport Security Authority (CATSA) Security Line at some Canadian airports to expedite airport pre-boarding security screening. (This is like a Canadian version of TSA Pre-Check.)

Just like Global Entry, NEXUS will require you to clear a background check. The difference is that this background check also is submitted to Canadian authorities, such as the  Canadian Security Intelligence Service (CSIS), Royal Canadian Mounted Police (RCMP).

One of the major draws to the NEXUS program is that the  application fee is only $50 . This is surprising since NEXUS comes with both Global Entry and TSA Pre-Check, which cost $100 and $85 respectively. For people who live near or travel between the US/Canada border, NEXUS is an especially attractive bargain.

The Secure Electronic Network for Travelers Rapid Inspection (SENTRI) is a U.S. Customs and Border Protection (CBP) program that allows expedited clearance for pre-approved, low-risk travelers upon arrival in the United States.

You can enter the United States by using dedicated primary lanes into the United States at Southern land border ports so this is a program you might be interested in if you’re traveling between the US and Mexico a lot.

You might be a little overwhelmed with all of the different Trusted Traveler programs and perhaps you’re not sure which program you should sign-up for.

If that’s the case you can check out this TSA tool  which can help you narrow down what program is most ideal for you based on your citizenship, number of flights, and travel destinations.

Other related travel programs

CLEAR is a privately owned service offered to passengers that allows them to bypass the lines going into airport security, whether you are going into the standard security line or the TSA Pre-Check line.

In order to use it you find the CLEAR line leading to security which should have little to no line and then you simply scan your boarding pass and biometric data and then you’re off to the races and able to skip whatever line you would have been waiting on. You don’t even have to show your ID.

CLEAR can be great for frequent flyers in busy airports but it’s not cheap at $179 per year (though cheaper promos are often available). This program does not require you to have a Known Traveler Number.

Mobile Passport

Launched in the fall of 2014, Mobile Passport Control is an app, developed by Airside Mobile and Airports Council International-North America in partnerships with CBP, that you can download to use in order to expedite your entry into the US. It’s available in the  Apple App Store  and  Google Play .

It’s free to use and can be just about as good as Global Entry at some airports, though I’d still take Global Entry over Mobile Passport.

That’s because Global Entry gets you Pre-Check and also allows you to get through customs AND immigration while Mobile Passport often only get your priority access through immigration. This program also does not require you to have a Known Traveler Number.

Adding a Known Traveler Number

Once you have your Known Traveler Number, you’re going to need to add that number to your travel profiles for the various airlines so that your Known Traveler Number will automatically show up in your itineraries.

However, you should note that your Known Traveler Number will NOT automatically show up in all of your travel  itineraries.

Many people assume that once they add their Known Traveler Number to their profile, it will always show up but that’s not the case. So you always need to double check that your KTN was added.

Below, you can see how to add your Known Traveler Number to some of the major airlines. For whatever reason, it is not always the easiest thing to do since you often have to click around a lot.

Usually you can find where to input it if you just look for your profile and a button allowing you to edit your profile, but the steps below should help you locate this.

American Airlines

Sign in to your American Airlines account and then click on your name at the top of the page. Then click on “your account.” Next, click on “edit account” and then click on “Information and password.” Scroll down and then under “Secure traveler,” you will see where to input your Known Traveler Number.

Sign in and click on “My Account” and then scroll to “My Preferences” to change your personal details within your profile information.

Sign in and click on Profile and Preferences and then click on “Travel identification documents” and then you’ll see the area to enter it in below.

Go to the Delta website and log-in and then proceed to My Delta -> My Profile -> Basic Info. You’ll then see a field where you can input your Known Traveler Number.

First, sign in to your JetBlue account. Click on the arrow in the upper right corner by your name and then click on “Edit profile.” Scroll down and you will see where to input your information.

Hawaiian Airlines

First, sign in to your Hawaiian Airlines account. Go to My Account and under that click on “Profile & Settings.” Click on the travel tab and you will see where to input your information.

Travel portals and OTAs

Most online travel agencies (like Expedia) will allow you to enter in your Known Traveler Number into your profile which should populate into your itinerary when you make a booking.

But since you’re dealing with a third party, you should always verify that your number was properly included in your booking.

Add Known Traveler Number after booking?

If you add your Known Traveler Number to your profile after you make a flight reservation, there’s a good chance that your flight itinerary is not linked to your Known Traveler Number and you won’t get TSA Pre-Check. 

In that case, you should be able to call up the airline and request for them to input your number into your itinerary.

You could also just wait until you arrive at the check-in desk for baggage and request for your Known Traveler Number to be added to your boarding pass.

Also, sometimes you’ll have to re-add your Known Traveler Number to specific itineraries. It’s not always clear why this happens but sometimes you’ll just have to do it.

If you ever are given a boarding pass without TSA Pre-Check on it and you know you have a TSA Pre-Check membership, simply approach an agent at the check-in desk and tell them you would like to add your Known Traveler Number.

It’s usually no problem for them to do this and they can re-issue you a boarding pass in a couple of seconds that has TSA Pre-Check.

For the reasons above, I highly recommend that you keep your Known Traveler Number somewhere easily retrievable like in your smart phone in a folder or app that you won’t forget about and can quickly pull up.

Where can I look up and find my Known Traveler Number?

If you are a member of the TSA Pre-Check Application Program you can, look up your KTN online .

If you are a member of another trusted traveler program, such as Global Entry, NEXUS, or SENTRI,  log on to the Trusted Traveler Program website  to obtain your PASSID, which once again is the same as your KTN.

You’ll find it right under “Program Memberships.”

You can also check the back of your trusted traveler cards for your PASSID. Note that TSA does not issue an ID card like Global Entry, NEXUS, and SENTRI do.

Related: Can You Get Through TSA and Fly with No ID?

What is a redress number?

You might also be wondering about a redress number since that field often shows up near where you input your Known Traveler Number.

A redress number is the record identifier for people who apply for redress through the DHS Travel Redress Inquiry Program (DHS TRIP) .

“DHS TRIP is for travelers who have been repeatedly identified for additional screening and who want to file an inquiry to have erroneous information corrected in DHS systems.”

For example, someone might share the same name as another person on a no-fly list and that might bring up a red flag every single time this unfortunate traveler attempts to board a plane.

The redress number will help those people avoid additional searches, pat downs, and questioning in the future.

So in case you were wondering a redress number really has nothing to do with your Known Traveler Number.

Known Traveler Number for Military members

If you are a member of the military, you can utilize TSA Pre-Check for free.

Members of the U.S. Armed Forces can get expedited screening including those serving in the U.S. Coast Guard, Reserves, and National Guard.

This can be done by using the official Department of Defense (DoD) identification number when making flight reservations. Your 10-digit DoD ID number is located on the back of your Combined Access Card ID and it is not the same as your SSN. Read more about how to utilize this benefit here.

TSA Pre-Check vs Global Entry

Now that you’re aware of all of the benefits you might be wondering whether or not you should choose TSA Pre-Check or Global Entry.

The answer to this question depends a lot on your personal preferences.

If you are only going to be traveling within the US then your need for Global Entry will be nearly zero.

In that case, getting TSA Pre-Check should be just fine. The only drawback to that is that if an unexpected trip comes up you’ll lose out on the benefit you could have had with Global Entry.

On the other hand, if you’re going to be traveling internationally then you might want to think about Global Entry since it will save you a lot of time getting back into the country.

The two drawbacks to Global Entry are that it requires you to attend an interview and that the background check can be tough to clear if you have anything on your record like a DWI, DUI, etc.

Known Traveler Number FAQ

The easiest way would be to get approved for TSA Pre-Check .

No, you do not need a Known Traveler Number for CLEAR?

At the time of booking, you will typically see a field where you can enter your Known Traveler Number. In addition, you can add your Known Traveler Number to your frequent flyer profile. If you are at the airport, you can also ask an agent to add your Known Traveler Number to your boarding pass.

There is no practical difference and these are essentially the same.

As you can see, getting a Known Traveler Number can be very easy and can even be done for free with the right credit card.

I recommend going with a program like Global Entry to get your PASSID/Known Traveler Number and using a credit card with a $100 credit for Global Entry.

If you always keep your Known Traveler Number with you at all times you’ll be able to add it to your boarding pass when needed and there shouldn’t be any major issues.

Daniel Gillaspia is the Founder of UponArriving.com and the credit card app, WalletFlo . He is a former attorney turned travel expert covering destinations along with TSA, airline, and hotel policies. Since 2014, his content has been featured in publications such as National Geographic, Smithsonian Magazine, and CNBC. Read my bio .

I only travel to the States. Which one should I apply. I read and I see so many type to apply. Quite confusing. Truly appreciate if you can advise . Thank you Regards Teresa

If you don’t travel outside the US, TSA Pre-Check is a solid option.

Can we get KTNs at West Palm Beach International Airport or a post office in Boynton Beach Florida?

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Privacy Overview

Known Traveler Number program: What is it, and should you get 1?

Editor's Note

When you travel, there are a few pieces of information you probably like to keep handy, including your frequent flyer number, your passport number and your trip confirmation number.

However, another number comes into play if you have TSA PreCheck or Global Entry : your Known Traveler Number. It's an important number that ensures access to the TSA PreCheck lanes .

Here's what to know about getting a KTN, how to find it and how to ensure it's attached to your flight reservations.

What is a Known Traveler Number?

A KTN is a nine-digit code each TSA PreCheck and Global Entry member receives from the U.S. Department of Homeland Security upon approval for one of those two programs. Members of a couple of other Trusted Traveler programs get a KTN as well.

The code may be a combination of both letters and numbers. It's your identification number that proves you're a member of one of these programs and shows that you are eligible to use the TSA PreCheck lanes at U.S. airports.

Travelers with a KTN have gone through an application and screening process , and they are known and recognized as travelers by the U.S. government.

Should you apply for a Known Traveler Number?

Getting a KTN is helpful for air travel because if you have one, it means you're a member of a program that gets you shorter wait times.

A KTN is your key to access the TSA PreCheck lanes. These lanes typically have shorter lines and allow members to undergo a less intrusive screening process than the standard lanes. About 99% of TSA PreCheck customers wait 10 minutes or less at security, according to the Transportation Security Administration.

There are several ways to get a KTN through different Trusted Traveler programs run by the DHS. Each program requires travelers to submit an application and go through an interview process. Those interviews generally occur in person at enrollment centers for first-time applicants, with many enrollment centers located at airports. The government is allowing virtual interviews for certain applicants, often those seeking to renew their membership.

Each program that provides travelers with a KTN has a fee, and memberships in all programs are valid for five years. Many credit cards also offer application fee credits for Global Entry or TSA PreCheck .

TSA PreCheck

If you've applied for TSA PreCheck, gone through the screening process and received confirmation of your approval into the program, you'll receive a KTN from the government.

TSA PreCheck offers a fast-tracked security experience for its members. When going through the TSA PreCheck lanes, you generally won't have to remove your shoes, take laptops or liquids out of your bag, or go through the full-body scanner.

The application fee is $78 for first-time applicants.

Related: Denied for Global Entry or PreCheck? Here's how to appeal

Global Entry

If you've received your TSA PreCheck membership by applying for Global Entry, you'll receive your KTN through your Global Entry membership.

Global Entry is a U.S. Customs and Border Protection program that allows travelers designated as low-risk by the U.S. government to use faster customs lines when returning to the U.S. from abroad. Members also get access to TSA PreCheck.

The fee for an application to this program is $100.

If you're planning to travel internationally and within the U.S. multiple times in the next five years, Global Entry is probably your best bet since it gets you expedited screening both at customs and at TSA checkpoints for only $22 more than a standard TSA PreCheck membership.

Related: 13 things you need to know about Global Entry

Nexus and SENTRI

The DHS has two other Trusted Traveler programs for travelers entering the U.S. from Canada and/or Mexico. Nexus and SENTRI also provide members with TSA PreCheck access and, thus, a KTN.

Nexus allows pre-screened travelers to use expedited processing when entering the U.S. from Canada by air or land. The fee for this program's application is $50.

SENTRI allows pre-screened travelers expedited entry into the U.S. from Canada and Mexico by air, land or sea. The application fee for this program is $122.25.

How do you add a Known Traveler Number to your travel bookings?

Once approved for TSA PreCheck, Global Entry, Nexus or SENTRI, you'll have to follow one additional step to ensure "TSA PreCheck" is printed on your boarding pass: You have to attach your number to your airline profile.

If you're just looking to attach your number to a single reservation, you can typically do this when filling out your personal information at checkout when booking a flight. However, we recommend always flying with a frequent flyer account to earn miles .

If you have a frequent flyer account, you can attach your KTN right to the personal information section of your airline profile. Once you do this, your KTN should be automatically added to each booking you make with that airline, as you include your frequent flyer number on the reservation. You typically can add your KTN to an existing reservation, too.

What to do if you forgot to add a KTN to your flight

If you already booked a flight and forgot to add your Known Traveler Number to your reservation, don't fret. You should be able to easily pull up your reservation and add your KTN.

Go to the airline's website or mobile app. Pull up your reservation using the confirmation number (or record locator) the airline gave you when you booked your trip. Then, go to the traveler information section. There should be a line that says "Known Traveler Number," "KTN" or "Secure Traveler Information." That's where you put your KTN.

If you've already checked in for your flight and downloaded your boarding pass, you may need to re-download the boarding pass to see "TSA PreCheck" appear.

Related: What to do if a boarding pass isn't marked TSA PreCheck

Where can you find your Known Traveler Number?

The time when you'll most likely need your KTN handy is when booking a flight or updating your airline profile. This goes for new members of TSA PreCheck, Global Entry, SENTRI or Nexus, as well as existing members who might be flying with an airline for the first time since joining one of those programs.

With all the numbers, passwords and accounts we have to keep track of in our lives, it's easy to lose your KTN ... and most of us probably don't know our number by heart. Fortunately, there are a few ways to locate it.

If you're a standard TSA PreCheck member looking to track down your number, you can use this page from the DHS to put in your personal information and look up your number.

If you received your KTN through the Global Entry program, you have a couple of options. If you have your physical Global Entry card, check the backside. Your nine-digit "PASSID" is your KTN; it may start with "15," "98" or "99."

Another way to locate your Known Traveler Number is to log in to your Global Entry or other Trusted Traveler Program account. There, you should be able to see which program you're enrolled in, as well as your membership number/PASSID, which, again, is your KTN. You should also be able to see when your membership expires.

An additional option for tracking down your number is to check your frequent flyer account for an airline you've recently flown with. If your membership in one of the Trusted Traveler programs is active and you've used TSA PreCheck before, odds are your KTN is on file with one or more airlines you regularly fly.

For this option, you'll need to go to your airline profile. If your KTN is in your profile, you should see it listed under your personal information.

Bottom line

A Known Traveler Number is a code that gets you into the TSA PreCheck lane. It's how the airline and government recognize a trusted traveler who is a member of TSA PreCheck, Global Entry or other similar programs.

Keep your number handy and add it to your airline profile. If you're not a member, consider enrolling in one of these programs that gives you a KTN and makes your trip through the airport less of a hassle.

Related reading:

• When is the best time to book flights for the cheapest airfare?
• The best airline credit cards
• What exactly are airline miles, anyway?
• 6 real-life strategies you can use when your flight is canceled or delayed
• Maximize your airfare: The best credit cards for booking flights
• The best credit cards to reach elite status

What is a Known Traveller Number & Why They’re So Useful

• August 1, 2023

Simon Burge

Share this content.

In the world of travel, convenience and efficiency are highly valued, and to achieve these goals, the Known Traveller Number (KTN) has emerged as a valuable tool. 

But exactly what is a Known Traveller Number, and how does it function? 

In this article, we will delve into the intricacies of this distinct identification system, its primary purpose, and the advantages and limitations it presents to travellers. 

By understanding the essence of the Known Traveller Number, you will gain insight into how it can streamline your travel experience. 

Whether you’re a frequent flyer or an occasional traveller, the KTN has the potential to simplify your journey while ensuring security and facilitating seamless processes. 

Join us as we uncover what is Known Traveller Number and explore its impact on modern travel.

Article Chapters

What is a Known Traveller Number?

Answering what is a Known Traveller Number is a surprisingly simple affair. They are an exclusive identifier allocated to pre-approved travellers deemed low-risk by government authorities or trusted travel programs. 

It acts as proof of their eligibility for expedited security screening and simplified travel procedures. 

Composed of alphanumeric characters, the KTN is associated with the individual’s personal and background details, ensuring a seamless travel experience. 

With a Known Traveller Number, passengers can enjoy the benefits of enhanced security clearance and reduced wait times at airports. 

This unique code streamlines the verification process and facilitates a more efficient journey for eligible travellers. 

By understanding the essence and significance of the Known Traveller Number, individuals can take advantage of the privileges it offers and make their travel experience smoother and hassle-free.

What is a Known Traveller Number Used For?

A Known Traveller Number (KTN) serves as a key tool in streamlining and expediting the airport security screening process. 

By inputting their KTN during reservation or check-in, travellers unlock access to expedited security lanes like TSA PreCheck in the United States or Nexus in Canada. 

These designated lanes enable passengers to bypass certain time-consuming procedures such as removing shoes, belts, and laptops or undergoing full-body scans. 

This significantly enhances the efficiency and speed of the journey through security checkpoints. 

With a Known Traveller Number, travellers can enjoy the convenience of a more seamless and hassle-free airport experience, saving precious time and reducing stress levels. 

By leveraging this unique identification code, individuals can navigate security procedures swiftly and focus on enjoying their travel with minimal disruptions.

How Can You Get a Known Traveller Number?

Acquiring a Known Traveller Number involves the application and approval process of a trusted traveller program. 

These programs, managed by government agencies or private entities, vary from country to country. 

The eligibility criteria and application procedures differ depending on the specific program. Typically, applicants undergo a thorough background check, provide biometric information like fingerprints or iris scans, and pay a participation fee. 

These measures ensure that only individuals who meet the established security standards are granted a Known Traveller Number. 

By meeting the requirements and successfully completing the application process, travellers can enjoy the benefits of expedited security screening and a more streamlined travel experience.

What Countries Offer a Known Traveller Number?

The Known Traveller Number system is implemented in various countries around the world, each with its own trusted traveller program. 

The most well-known programs include TSA PreCheck in the United States, Nexus in Canada, Global Entry in the United States, Australia, and other countries, and Registered Traveller in the United Kingdom. 

These programs enable travellers to enjoy expedited security screening and other benefits when travelling within their respective countries.

How to Find Your Known Traveller Number?

Once approved for a trusted traveller program, travellers are assigned a Known Traveller Number. 

This number is typically provided in a confirmation email or letter from the program administrator. 

Travellers should keep this number readily accessible, either by saving it in a secure digital file or carrying a physical copy, as they will need to provide it when making travel reservations or during the check-in process.

How Do I Use a Known Traveller Number?

Using a Known Traveller Number is a simple process. 

When making a flight reservation, travellers have the option to input their KTN in the appropriate field provided by the airline or travel agent. 

The number is then transmitted to the relevant government agency or trusted travel program, which verifies the individual’s eligibility and grants access to expedited security screening. 

At the airport, travellers must ensure that their KTN is printed on their boarding pass to enjoy the benefits of expedited screening.

What Airlines Accept a Known Traveller Number?

Known Traveller Numbers are widely accepted by various airlines worldwide. 

Major carriers and smaller regional airlines participate in trusted traveller programs and recognize the importance of expedited security screening for their passengers. Fr example, the full list of airlines that accept the TSA PreCheck can be found here .

However, it’s important to note that not all airlines may offer expedited screening options or participate in every trusted traveller program. 

Travellers should check with their airline or travel agent to ensure that their Known Traveller Number will be recognized and honoured.

How Much Does It Cost to Get a Known Traveller Number?

The cost of obtaining a Known Traveller Number varies depending on the trusted traveller program and the country of application, for example the TSA PreCheck is $78 for 5 years .

Fees may cover the administrative costs associated with the application process, background checks, and program maintenance. 

It is important to research the specific program requirements and associated fees before applying. 

Some countries may offer combined programs that include multiple benefits, such as expedited immigration clearance and access to automated border control gates, in addition to expedited security screening.

What are the Advantages of a Known Traveller Number?

Having a Known Traveller Number offers several advantages to travellers. 

The most significant benefit is the ability to enjoy expedited security screening, which saves time and reduces the hassle of going through extensive security procedures. 

Travellers with a KTN can avoid the need to remove shoes, belts, and laptops, and may be able to bypass long queues, resulting in a more seamless travel experience. 

Additionally, participating in a trusted traveller program often grants access to expedited immigration clearance, making international travel more convenient.

What are the Disadvantages of a Known Traveller Number?

While a Known Traveller Number offers numerous benefits, there are a few potential drawbacks to consider. 

Firstly, the application process for trusted traveller programs can be time-consuming and may require applicants to undergo a thorough background check. 

Additionally, not all airports or airlines participate in these programs, limiting the availability of expedited screening options. 

Travellers should also be aware that a Known Traveller Number does not guarantee expedited screening at all times, as security protocols may vary or change based on factors such as airport capacity or threat levels.

Hopefully this has answered the question of what is a Known Traveller Number, and how it is is a unique identification code that grants pre-approved travellers access to expedited security screening at airports. 

Obtained through trusted traveller programs, a KTN simplifies the travel experience by saving time, reducing hassle, and providing a more seamless journey through security checkpoints. 

While the application process and availability of expedited screening options may vary, the overall advantages make the use of a Known Traveller Number a valuable tool for frequent travellers seeking efficiency and convenience in their journeys.

Receive the latest breaking news straight to your inbox

Latest issue.

Advertiser Disclosure

Many of the credit card offers that appear on this site are from credit card companies from which we receive financial compensation. This compensation may impact how and where products appear on this site (including, for example, the order in which they appear). However, the credit card information that we publish has been written and evaluated by experts who know these products inside out. We only recommend products we either use ourselves or endorse. This site does not include all credit card companies or all available credit card offers that are on the market. See our advertising policy here where we list advertisers that we work with, and how we make money. You can also review our credit card rating methodology .

Known Traveler Number: Here’s What You Need To Know [2024]

Spencer Howard

Former Content Contributor

52 Published Articles

Countries Visited: 21 U.S. States Visited:

Keri Stooksbury

Editor-in-Chief

29 Published Articles 3050 Edited Articles

Countries Visited: 45 U.S. States Visited: 28

Director of Operations & Compliance

1 Published Article 1166 Edited Articles

Countries Visited: 10 U.S. States Visited: 20

We may be compensated when you click on product links, such as credit cards, from one or more of our advertising partners. Terms apply to the offers below. See our Advertising Policy for more about our partners, how we make money, and our rating methodology. Opinions and recommendations are ours alone.

If you’re new to TSA PreCheck or Global Entry, you may be wondering what a Known Traveler Number (KTN) is, how it works, and why there’s a KTN box when booking flights, but there isn’t one for your TSA PreCheck or Global Entry number. Here’s what you should know about your KTN.

What Is a Known Traveler Number?

Your Known Traveler Number is your membership number with a Trusted Traveler Program. This number is what allows you to access TSA PreCheck security lanes and Global Entry lanes (depending on which Trusted Traveler Program you join).

How To Get a Known Traveler Number

To acquire a Known Traveler Number, you must participate in one of the Trusted Traveler Programs. These are:

• Global Entry
• TSA PreCheck

Global Entry and TSA PreCheck are by far the most popular options in the U.S. The NEXUS and SENTRI programs also provide a Known Traveler Number, though these programs are much less commonly used in the U.S.

Credit Cards That Reimburse for Global Entry, TSA PreCheck, and/or NEXUS Application Fees

Many premium credit cards will reimburse you for the application fee for either Global Entry or TSA PreCheck (including American Express, Capital One, Chase, and Citi, which all provide cards that offer an application fee reimbursement).

The Platinum Card ® from American Express

The Amex Platinum reigns supreme for luxury travel, offering the best airport lounge access plus generous statement credits, and complimentary elite status.

When it comes to cards that offer top-notch benefits, you’d be hard-pressed to find a better card out there than The Platinum Card ® from American Express.

Make no mistake — the Amex Platinum card  is a premium card with a premium price tag. With amazing benefits like best-in-class airport lounge access , hotel elite status, and tremendous value in annual statement credits, it can easily prove to be one of the most lucrative cards in your wallet year after year.

• The best airport lounge access out of any card (by far) — enjoy access to over 1,400 worldwide lounges, including the luxurious Amex Centurion Lounges, Priority Pass lounges, Plaza Premium Lounges, and many more!
• 5x points per dollar spent on flights purchased directly with the airline or with AmexTravel.com (up to $500,000 per year)
• 5x points per dollar spent on prepaid hotels booked with AmexTravel.com
• Annual and monthly statement credits upon enrollment ( airline credit, Uber Cash credit, Saks Fifth Avenue credit, streaming credit, prepaid hotel credit on eligible stays, Walmart+ credit, CLEAR credit, and Equinox credit )
• TSA PreCheck or Global Entry credit
• Access to American Express Fine Hotels and Resorts
• Access to Amex International Airline Program
• No foreign transaction fees ( rates and fees )
• $695 annual fee ( rates and fees )
• Airline credit does not cover airfare (only incidentals like checked bags)
• Earn 80,000 Membership Rewards ® Points after you spend $8,000 on purchases on your new Card in your first 6 months of Card Membership. Apply and select your preferred metal Card design: classic Platinum Card ® , Platinum x Kehinde Wiley, or Platinum x Julie Mehretu.
• Earn 5X Membership Rewards ® Points for flights booked directly with airlines or with American Express Travel up to $500,000 on these purchases per calendar year and earn 5X Membership Rewards ® Points on prepaid hotels booked with American Express Travel.
• $200 Hotel Credit: Get up to $200 back in statement credits each year on prepaid Fine Hotels + Resorts ® or The Hotel Collection bookings with American Express Travel when you pay with your Platinum Card ® . The Hotel Collection requires a minimum two-night stay.
• $240 Digital Entertainment Credit: Get up to $20 back in statement credits each month on eligible purchases made with your Platinum Card ® on one or more of the following: Disney+, a Disney Bundle, ESPN+, Hulu, The New York Times, Peacock, and The Wall Street Journal. Enrollment required.
• $155 Walmart+ Credit: Cover the cost of a $12.95 monthly Walmart+ membership (subject to auto-renewal) with a statement credit after you pay for Walmart+ each month with your Platinum Card ® . Cost includes $12.95 plus applicable local sales tax. Plus Up Benefits are excluded.
• $200 Airline Fee Credit: Select one qualifying airline and then receive up to $200 in statement credits per calendar year when incidental fees are charged by the airline to your Platinum Card ® .
• $200 Uber Cash: Enjoy Uber VIP status and up to $200 in Uber savings on rides or eats orders in the US annually. Uber Cash and Uber VIP status is available to Basic Card Member only. Terms Apply.
• $300 Equinox Credit: Get up to $300 back in statement credits per calendar year on an Equinox membership, or an Equinox club membership (subject to auto-renewal) when you pay with your Platinum Card ® . Enrollment required. Visit https://platinum.equinox.com/ to enroll.
• $189 CLEAR ® Plus Credit: Breeze through security with CLEAR Plus at 100+ airports, stadiums, and entertainment venues nationwide and get up to $189 back per calendar year on your Membership (subject to auto-renewal) when you use your Platinum Card ® . Learn more.
• $100 Global Entry Credit: Receive either a $100 statement credit every 4 years for a Global Entry application fee or a statement credit up to $85 every 4.5 years for a TSA PreCheck ® (through a TSA official enrollment provider) application fee, when charged to your Platinum Card ® . Card Members approved for Global Entry will also receive access to TSA PreCheck at no additional cost.
• Shop Saks with Platinum: Get up to $100 in statement credits annually for purchases in Saks Fifth Avenue stores or at saks.com on your Platinum Card ® . That's up to $50 in statement credits semi-annually. Enrollment required.
• $300 SoulCycle At-Home Bike Credit: Get a $300 statement credit for the purchase of a SoulCycle at-home bike with your Platinum Card ® . An Equinox+ subscription is required to purchase a SoulCycle at-home bike and access SoulCycle content. Must charge full price of bike in one transaction. Shipping available in the contiguous U.S. only. Enrollment Required.
• Unlock access to exclusive reservations and special dining experiences with Global Dining Access by Resy when you add your Platinum Card ® to your Resy profile.
• $695 annual fee.
• Terms Apply.

Financial Snapshot

• APR: See Pay Over Time APR
• Foreign Transaction Fees: None

Card Categories

• Credit Card Reviews
• Credit Cards
• Travel Rewards Credit Cards
• Best Sign Up Bonuses

Rewards Center

American Express Membership Rewards

• Amex Platinum 150k Welcome Bonus Offer
• Benefits of The Amex Platinum
• How to Use 100,000 Amex Platinum Points
• Amex Platinum Card Requirements
• American Express Platinum Military Benefits
• Amex Platinum and Business Platinum Lounge Access
• Amex Platinum Benefits for Authorized Users
• Amex Platinum vs Delta Platinum
• Amex Platinum vs Chase Sapphire Reserve
• Capital One Venture X vs Amex Platinum
• Amex Platinum vs Delta Reserve

The Business Platinum Card ® from American Express

This card is ideal for business travelers who enjoy luxury travel and are looking for a card loaded with benefits!

The Business Platinum Card ® from American Express is a premium travel rewards card tailored toward business owners who are frequent travelers with a high number of annual expenses.

When you factor in the large number of perks that the card offers like the best airport lounge access at over 1,400 lounges , along with tons of annual credits, it’s easy to see why this card can is a top option for frequent traveling business owners.

Hot Tip:  Check to see if you’re eligible for a huge welcome bonus offer of up to 170,000 points with the Amex Business Platinum. The current public offer is 120,000 points. (This targeted offer was independently researched and may not be available to all applicants.)

• 5x Membership Rewards points per $1 on flights and prepaid hotels at Amex Travel
• Up to $200 annual airline fee credit on your selected qualifying airline
• Statement credits on select purchases with your card
• 35% airline bonus when using Pay With Points (up to 1,000,000 bonus points per calendar year)
• Access to over 1,400 worldwide airport lounges as part of the American Express Global Lounge Collection
• Global Entry or TSA PreCheck application fee credit
• Get 50% more Membership Rewards points (1.5 points per $1) on eligible purchases in key business categories, as well as on purchases of $5,000 or more (cap applies)
• Access to Amex’s Fine Hotels & Resorts program
• High annual fee of $695 ( rates and fees )
• Airline fee credit does not cover airfare, only incidentals like checked bags
• Welcome Offer: Earn 120,000 Membership Rewards ® points after you spend $15,000 on eligible purchases with your Card within the first 3 months of Card Membership.
• 5X Membership Rewards ® points on flights and prepaid hotels on AmexTravel.com, and 1X points for each dollar you spend on eligible purchases.
• Earn 1.5X points (that’s an extra half point per dollar) on each eligible purchase at US construction material, hardware suppliers, electronic goods retailers, and software & cloud system providers, and shipping providers, as well as on purchases of $5,000 or more everywhere else, on up to $2 million of these purchases per calendar year.
• Unlock over $1,000 in annual statement credits on a curation of business purchases, including select purchases made with Dell Technologies, Indeed, Adobe, and U.S. wireless service providers.
• $200 Airline Fee Credit: Get up to $200 in statement credits per calendar year for incidental fees charged by your one selected, qualifying airline to your Card.
• $189 CLEAR ® Plus Credit: Use your card and get up to $189 in statement credits per calendar year on your CLEAR ® Plus Membership (subject to auto-renewal) when you use your Business Platinum Card ® .
• The American Express Global Lounge Collection ® can provide an escape at the airport. With complimentary access to more than 1,400 airport lounges across 140 countries and counting, you have more airport lounge options than any other credit card issuer on the market as of 03/2023.
• $695 Annual Fee.
• APR: 19.49% - 27.49% Variable
• Best Business Credit Cards
• Find The Amex Business Platinum 150k Welcome Bonus Offer
• Find The Amex Business Platinum 170k Welcome Bonus Offer
• Benefits of the Amex Business Platinum
• Authorized Users Benefits of the Amex Business Platinum
• 35% Points Rebate with the Amex Business Platinum
• Amex Business Platinum vs Amex Platinum

Chase Sapphire Reserve ®

A top player in the high-end premium travel credit card space that earns 3x points on travel and dining while offering top luxury perks.

If you’re looking for an all-around excellent travel rewards card, the Chase Sapphire Reserve ®  is one of the best options out there.

The card combines elite travel benefits and perks like airport lounge access , with excellent point earning and redemption options.  Plus it offers top-notch travel insurance protections to keep you covered whether you’re at home or on the road.

Don’t forget the $300 annual travel credit which really helps to reduce the annual fee!

• 10x total points on hotels and car rentals when you purchase travel through Chase TravelSM immediately after the first $300 is spent on travel purchases annually
• 10x points on Lyft purchases March 31, 2025
• 10x points on Peloton equipment and accessory purchases over $250 through March 31, 2025
• 5x points on airfare booked through Chase Travel SM
• 3x points on all other travel and dining purchases; 1x point on all other purchases
• $300 annual travel credit
• Priority Pass airport lounge access
• TSA PreCheck, Global Entry, or NEXUS credit
• Access to Chase Luxury Hotel and Resort Collection
• Rental car elite status with National and Avis
• $550 annual fee
• Does not offer any sort of hotel elite status
• Earn 60,000 bonus points after you spend $4,000 on purchases in the first 3 months from account opening. That's $900 toward travel when you redeem through Chase Travel℠.
• $300 Annual Travel Credit as reimbursement for travel purchases charged to your card each account anniversary year.
• Earn 5x total points on flights and 10x total points on hotels and car rentals when you purchase travel through Chase Travel℠ immediately after the first $300 is spent on travel purchases annually. Earn 3x points on other travel and dining & 1 point per $1 spent on all other purchases
• Get 50% more value when you redeem your points for travel through Chase Travel℠. For example, 60,000 points are worth $900 toward travel.
• 1:1 point transfer to leading airline and hotel loyalty programs
• Access to 1,300+ airport lounges worldwide after an easy, one-time enrollment in Priority Pass™ Select and up to $100 application fee credit every four years for Global Entry, NEXUS, or TSA PreCheck ®
• Count on Trip Cancellation/Interruption Insurance, Auto Rental Collision Damage Waiver, Lost Luggage Insurance and more
• Member FDIC

Chase Ultimate Rewards

• Chase Sapphire Reserve 100k Bonus Offer
• Chase Sapphire Reserve Benefits
• Chase Sapphire Reserve Airport Lounge Access
• Chase Sapphire Reserve Travel Insurance Benefits
• Chase Sapphire Reserve Military Benefits
• Amex Gold vs Chase Sapphire Reserve
• Chase Sapphire Preferred vs Reserve

Capital One Venture Rewards Credit Card

Get 2x miles plus some of the most flexible redemptions offered by a travel credit card!

The Capital One Venture Rewards Credit Card   is one of the most popular rewards cards on the market. It’s perfect for anyone in search of a great welcome offer, high rewards rates, and flexible redemption options.

Frequent travelers with excellent credit may benefit from this credit card that offers a lot of bells and whistles. And it offers easy-to-understand rewards earning and redemption.

• 5x miles per $1 on hotels and rental cars booked through Capital One Travel
• 2x miles per $1 on all other purchases
• No foreign transaction fees ( rates & fees )
• Access to Capital One transfer partners
• $95 annual fee ( rates & fees )
• Limited elite benefits
• Enjoy a one-time bonus of 75,000 miles once you spend $4,000 on purchases within 3 months from account opening, equal to $750 in travel
• Earn unlimited 2X miles on every purchase, every day
• Earn 5X miles on hotels and rental cars booked through Capital One Travel, where you'll get Capital One's best prices on thousands of trip options
• Miles won't expire for the life of the account and there's no limit to how many you can earn
• Receive up to a $100 credit for Global Entry or TSA PreCheck ®
• Use your miles to get reimbursed for any travel purchase—or redeem by booking a trip through Capital One Travel
• Enrich every hotel stay from the Lifestyle Collection with a suite of cardholder benefits, like a $50 experience credit, room upgrades, and more
• Transfer your miles to your choice of 15+ travel loyalty programs
• APR: 19.99% - 29.99% (Variable)

Capital One Miles

• How To Find the 75k or 100k Bonus for the Capital One Venture
• Travel Insurance Benefits of the Capital One Venture
• Capital One Venture vs Venture X
• Capital One Venture Card vs. Capital One VentureOne Card [Detailed Comparison]
• Chase Sapphire Preferred vs Capital One Venture
• Best Capital One Credit Cards
• Best Travel Credit Cards
• Best Everyday Credit Cards
• Best Credit Cards for Groceries and Supermarkets
• Best Credit Card Sign Up Bonuses
• Best High Limit Credit Cards
• Capital One vs. Citi Credit Cards – Which Is Best? [2024]
• Recommended Minimum Requirements for Capital One Credit Cards

Since several cards offer this benefit, consider the other benefits of your credit card options before you choose one. Look at the points they earn, trip delay protection, purchase protection, elite status, or airport lounge access.

If your priority is earning tons of valuable (and transferable!) points, you might choose the Chase Sapphire Reserve card . It earns 5x points on air travel and 10x points on hotels and car rentals when you purchase travel through Chase Travel, 10x points on Lyft (through March 2025), 3x points on all other travel, and it comes with a Priority Pass Select membership for lounge access. You’ll also receive a $300 travel credit that is automatically applied to your first $300 in travel purchases each cardmember year (this includes taxis, Uber , Lyft , train tickets, flights, hotels, and more).

If airport lounge access and elite status are your top priorities, the Amex Platinum card and Amex Business Platinum card provide world-class lounge access , including Centurion Lounges and Delta Sky Clubs (when flying Delta), on top of a Priority Pass Select membership upon enrollment. Cardholders also receive elite status with both Hilton Honors and Marriott Bonvoy upon enrollment. To top it off, you’ll earn 5x Membership Rewards points when booking flights directly with an airline.

And for travelers who value simplicity in earning and redeeming their rewards along with a reasonable annual fee, consider the Capital One Venture X card . It earns 2x Capital One miles on all purchases and comes with the lowest annual fee among the most popular premium credit cards.

Whichever card you choose, all you have to do is use it to pay for the Global Entry or TSA PreCheck application fee, and you’ll automatically be reimbursed.

How To Find Your Known Traveler Number

Hot Tip: You can find your PASSID  (also known as your Known Traveler Number) on the back of your Global Entry, NEXUS, or SENTRI card.

If you only have TSA PreCheck, log in to the Trusted Traveler Program website to access your PASSID/Known Traveler Number. If you lose your Global Entry, NEXUS, or SENTRI card, you can use the Trusted Traveler Program site to find the number.

How To Add Your Known Traveler Number to Bookings

While it might not be apparent at first, you’ll be happy to know that your TSA PreCheck or Global Entry number is, in fact, your Known Traveler Number. Simply enter your Known Traveler Number in the appropriate field when booking your flight. This can also be done later — even at the check-in desk at the airport.

The vast majority of the time, you do not need to carry your Global Entry card to access the airport’s TSA PreCheck or Global Entry lanes. That said, there have been some recent reports of travelers being asked to show their physical card. This appears to happen most at airports that allow travelers with Global Entry to preclear security, especially for flights departing from Canada. It also may happen when entering the U.S. by car via NEXUS or SENTRI lanes.

Hot Tip:  Unlike when returning from most countries, if you want to access Global Entry lanes when returning from Canada, you will need your physical Global Entry card with you.

Global Entry or TSA PreCheck: Which One Is Right for You?

As anyone who’s been through airport security knows, it can be a frustrating hassle. To expedite the screening process  at many U.S. airports, TSA PreCheck access provides a much better experience. If you are returning to the U.S. from an international destination, Global Entry can make getting through customs a breeze.

If you mainly travel within the U.S., you might think that you only need to get TSA PreCheck — this is understandable, considering the fee is $78 compared to $100 for Global Entry.

However, a Global Entry membership also provides access to TSA PreCheck. When you account for the application fee reimbursement offered by several credit cards, why wouldn’t you go ahead and get Global Entry? With the right card, the impact on your wallet is the same — neither should cost you a dime!

By getting Global Entry, you can enjoy a quicker security experience when boarding flights in the U.S. If you decide to travel abroad, you can take comfort in the fact that returning to the U.S. will be easy.

Hot Tip:  If you have additional questions, don’t miss our piece on the top Global Entry FAQs and TSA PreCheck FAQs . 

Final Thoughts

Airports are becoming busier by the year, so having access to TSA PreCheck and Global Entry is vital for quicker and smoother security screenings. With so many credit cards offering to reimburse you for the application fee, there is no excuse not to have a Known Traveler Number.

Whether you get TSA PreCheck or Global Entry, you’ll be all set for a better airport experience — just enter your PASSID/Known Traveler Number when booking your flight.

Like this Post? Pin it on Pinterest!

The information regarding the Capital One Venture Rewards Credit Card was independently collected by Upgraded Points and not provided nor reviewed by the issuer. The information regarding the Capital One Venture X Rewards Credit Card was independently collected by Upgraded Points and not provided nor reviewed by the issuer.

For rates and fees of The Platinum Card ® from American Express, click here . For rates and fees of The Business Platinum Card ® from American Express, click here .

Frequently Asked Questions

How do i know if i have a known traveler number.

If you have applied for and been approved for Global Entry, NEXUS, SENTRI, or TSA PreCheck, you have a Known Traveler Number. It is your membership number from one of these Trusted Traveler Programs.

Can you add a Known Traveler Number after booking your flight?

Yes. If you forget to add your Known Traveler Number at the time of booking, you can add it later. This can be done online or at the check-in desk at the airport. We recommend doing it online before checking in.

Why isn't my Known Traveler Number working?

If your Known Traveler Number isn’t working, the likely causes are:

• You, a travel agent, or reservations agent entered the number incorrectly
• Your name doesn’t match what is on your Trusted Traveler Program profile

Where do I find my Known Traveler Number on my Global Entry card?

Your Known Traveler Number can be found on the back of your Global Entry card. It is your PASSID number.

If you have NEXUS or SENTRI, your PASSID number will also be found on the back of your card.

How long is a Known Traveler Number good for?

Your membership with a Trusted Traveler Program lasts 5 years. At that point, you will need to renew your membership and pay another fee. Don’t forget to use a credit card that will reimburse you for the fee!

Was this page helpful?

About Spencer Howard

Always a fan of flying, it was only natural that Spencer was drawn to finding a way to improve the travel experience.

Like many, he started this journey searching for cheap flights to take him around the world. This was fun for a while, but Spencer was intrigued by the idea of flying in business and first class!

Throwing himself into what became an extensive research project, Spencer spent 3-4 hours per night learning everything he could about frequent flyer miles over the course of several months (he thinks this is normal). He runs Straight to the Points, an award-seat alert platform.

INSIDERS ONLY: UP PULSE ™

Get the latest travel tips, crucial news, flight & hotel deal alerts...

Plus — expert strategies to maximize your points & miles by joining our (free) newsletter.

We respect your privacy . This site is protected by reCAPTCHA. Google's privacy policy and terms of service apply.

Related Posts

UP's Bonus Valuation

This bonus value is an estimated valuation calculated by UP after analyzing redemption options, transfer partners, award availability and how much UP would pay to buy these points.

What Is a Known Traveler Number, and What Do You Do With One?

PhotoAlto / Getty Images

A Known Traveler Number (KTN), also called a Trusted Traveler Number, is a number issued by the US Transportation Security Administration ( TSA ), Department of Homeland Security (DHS), or Department of Defense (DoD). This number indicates that you have undergone a pre-flight background check or other screening before checking in for a flight.

Adding your Known Traveler Number to an airline reservation greatly increases your chances of being able to use the TSA's PreCheck security screening lanes at participating US airports. Your KTN also permits you to take advantage of expedited customs processing at select airports if you are a Global Entry member.

How Can I Get a Known Traveler Number?

The easiest way to get a KTN is to enroll in either the PreCheck or Global Entry program. If your application is approved, you will receive a KTN. A Global Entry KTN is linked to your passport information, while a PreCheck KTN is connected only to the personal information you supplied when you enrolled. Participating airlines may offer their frequent flyers PreCheck status. The airline will assign these travelers a KTN as part of that process. Active duty military personnel may use their DoD identification number as their KTN.

You may also apply for PreCheck or Global Entry on your own. US citizens pay $85 for a five-year PreCheck membership or $100 for a five-year Global Entry membership. (Tip: The nonrefundable fee must be paid whether or not you are approved for PreCheck or Global Entry.) If your travels frequently take you outside the US, Global Entry might be a better option for you because it not only provides you with a KTN but also gives you access to faster customs processing access at certain airports.

How Do I Use My Known Traveler Number?

If you received your KTN through the TSA's PreCheck program, you should add it to your reservation record every time you book a flight on a participating airline. If you make a flight reservation through a travel agent, give the agent your KTN. You can also add the KTN yourself if you reserve your flight online or by telephone. 

Participating airlines, as of this writing, include:

• Alaska Airlines
• All Nippon Airways
• Allegiant Air
• American Airlines
• Aruba Airlines
• Asiana Airlines
• Austrian Airlines
• Azul Airlines
• Boutique Airlines
• British Airways
• Brussels Airlines
• Cathay Pacific Airways
• China Airlines
• Condor Airlines
• Contour Aviation
• Copa Airlines
• Delta Air Lines
• Eastern Airlines
• Edelweiss Air
• Elite Airways
• Etihad Airways
• Frontier Airlines
• Hawaiian Airlines
• InterCaribbean Airways
• Japan Airlines
• JetBlue Airways
• Key Lime Air
• KLM Royal Dutch Airlines
• Miami Air International
• Norwegian Air
• PAL Express
• Philippine Airlines
• Porter Airlines
• Qatar Airways
• Scandinavian Airlines
• Seaborne Airlines
• Silver Airways
• Singapore Airlines
• Southern Airways Express
• Southwest Airlines
• Spirit Airlines
• Sun Country Airlines
• Sunwing Airlines
• Swiss International Air Lines
• TAP Air Portugal
• Turkish Airlines
• United Airlines
• Virgin Atlantic
• VivaAerobus
• World Atlantic
• Xtra Airways

If you obtained your KTN through the Global Entry program or by virtue of your status as a US Armed Forces member, you should use it whenever you make an airline reservation, regardless of which airline you fly.

Why Don't I Get PreCheck Status Every Time?

There are several reasons why you might not be able to use the PreCheck screening lane, even though you have a KTN. For example:

Sometimes the TSA does not give PreCheck status to enrolled travelers as part of its effort to randomize security screening procedures.

The data you entered when you bought your ticket might not match the data on file with the TSA, DHS, or DoD. Your first name, middle name, last name, and date of birth must match exactly.

You may have entered your KTN incorrectly when you bought your ticket.

Your KTN might not be saved in your frequent flyer profile, or you may not have logged in to your frequent flyer account before you bought your ticket online.

If you bought your ticket through a travel agent or third party website, such as Expedia, your KTN might not have been passed along to your airline. The best way to correct this problem is to call your airline and make sure your KTN has been entered into your reservation record. Do this before you check-in for your flight.

You may not have noticed that you could not enter your KTN when you purchased your ticket online. This occasionally happens with online travel websites (third party websites). 

How to Resolve Problems

Once you have a KTN, you are supposed to use it. Always look for the KTN field when you buy an airline ticket online. Contact your airline after you complete your purchase if you do not see it.

Double-check your travel documents (driver's license, government-issued photo ID and/or passport ) to be sure your full name and birth date match the information you provided to the TSA or DHS. Save your KTN in your frequent flyer account record(s). Check your frequent flyer account profiles regularly to make sure your KTN is still entered correctly. Train yourself to look for the KTN field and enter your KTN whenever you buy an airline ticket. Call your airline before your check-in date to be sure your KTN has been added to your reservation record.

When you print your airline ticket, you should see the letters "TSA PRE" in the top left corner. These letters indicate that you have been selected for PreCheck status on your flight. If you are enrolled in PreCheck but do not see "TSA PRE" on your ticket, call your airline. The reservations agent will be able to help you sort out any problems. Remember that the TSA will not always select you for PreCheck status, even if you are enrolled in the PreCheck program.

If you encounter problems at check-in or at the airport, contact the TSA as soon as possible to find out what happened. According to the Wall Street Journal , the TSA only retains PreCheck data for three days after your flight, so you will need to act quickly.

Should You Pick Global Entry or TSA Precheck?

Best Ways to Prepare for Airport Security Screenings

Have TSA Precheck? You May Be Able to Participate in a Biometric Pilot Program

The Three Inspection Options at TSA Checkpoints

Small Air Travel Upgrades You Can Totally Afford

How to Get a Free Upgrade From an Airline

How to Check in With Airline Locator Numbers

How to Take Your Service Animal Through Airport Security

9 Ways to Get Upgraded on a Flight

6 Tips for Handling Strollers During Air Travel

8 Things to Do Before You Travel by Air

The TSA Is Testing a New Gender-Neutral Screening Algorithm at Airport Security

Get Ready to Go Through Airport Security

Keep These Items out of Your Carry-On Bag

Renewing Your TSA Precheck Is Now Cheaper Than Ever

What It’s Like to Fly Halfway Around the World During the Pandemic

• Credit cards
• View all credit cards
• Banking guide
• Loans guide
• Insurance guide
• Personal finance
• View all personal finance
• Small business
• Small business guide
• View all taxes

You’re our first priority. Every time.

We believe everyone should be able to make financial decisions with confidence. And while our site doesn’t feature every company or financial product available on the market, we’re proud that the guidance we offer, the information we provide and the tools we create are objective, independent, straightforward — and free.

So how do we make money? Our partners compensate us. This may influence which products we review and write about (and where those products appear on the site), but it in no way affects our recommendations or advice, which are grounded in thousands of hours of research. Our partners cannot pay us to guarantee favorable reviews of their products or services. Here is a list of our partners .

Known Traveler Number: What You Need to Know

Many or all of the products featured here are from our partners who compensate us. This influences which products we write about and where and how the product appears on a page. However, this does not influence our evaluations. Our opinions are our own. Here is a list of our partners and here's how we make money .

Table of Contents

What is a Known Traveler Number?

How to get a known traveler number, can i add my ktn to an existing reservation, can you add a ktn after checking in, ktn lookup tips, where is a known traveler number on a global entry card, a known traveler number unlocks tsa precheck.

The U.S. Transportation Security Administration launched TSA PreCheck in December 2013. This Trusted Traveler Program, designed to make airport security a smoother experience for its members at select airports across the U.S., is available to travelers who pay an $78 fee and complete a background check, in-person interview and fingerprint scan.

After completing the necessary application steps, approved TSA PreCheck members are given what’s called a Known Traveler Number, or KTN.

TSA PreCheck members aren't given identification cards like members of other Trusted Traveler Programs (e.g., Global Entry , Nexus , SENTRI ).

Instead, the KTN is the primary identifier and effectively serves as your TSA number. Travelers are wise to keep this number handy, as it must be input into every eligible flight booking to take advantage of screening benefits.

Any U.S. citizen, U.S. national and legal permanent resident — without a criminal history — is eligible for preapproval for the TSA PreCheck membership program. Immigrants can learn more about the necessary application materials on the Department of Homeland Security website .

You can apply online quickly. Then, you’ll need to schedule an in-person TSA PreCheck interview appointment at an enrollment center. The interview process is fairly straightforward; most importantly, you will need to bring several documents and proof of identity to your appointment. Examples of approved unexpired U.S. government-issued photo identifications include your passport, driver’s license or birth certificate.

Children 12 and younger don't need their own TSA PreCheck membership. As long as they are traveling with an adult who is a member, they can use the TSA Security lanes, too. Children 13-17 can as well, but only if the TSA PreCheck indicator appears on their boarding passes.

You can find out more about applying for TSA PreCheck to get a Known Traveler Number in our full article on how to get TSA PreCheck .

How long does it take to get a KTN number?

Most applicants will get their KTN within three to five days of membership approval. The TSA PreCheck website also states that it can take up to 90 days to receive a KTN.

Now that you have a Known Traveler Number, it's time to start taking advantage of the benefits. Because airlines are unaware of which passengers have TSA PreCheck screening benefits and which don't, you'll need to add your KTN to each flight booking.

This is most easily done at the time of booking. Your boarding pass should show something like "TSAPRECHK," "TSA PRE," or "TSA Pre✓" to indicate that your KTN was successfully added to your reservation. The specific type of indicator depends on the airline and type of boarding pass (i.e., digital or printed).

However, if you forget, it’s still possible to add your KTN to your ticket ahead of travel. We’ve broken down the steps in this article for passengers flying on Southwest Airlines, American Airlines, Delta Air Lines and United Airlines: How to Add TSA PreCheck to Your Airline Ticket .

» Learn more: How to skip long airport lines for free

If you have a flight coming up shortly and have yet to add your KTN to your ticket, you’re not out of luck. But there are a few extra steps involved before you’re able to enjoy the security benefits.

For those who’ve checked in online without a KTN in the system, you may need to call the airline’s customer service to add your KTN and have a new boarding pass issued.

If call wait times are long, you can also add your KTN to your ticket at the airport. Visit a service desk agent or check-in agent before passing through security. After providing your KTN, these agents should be able to print your boarding pass with the necessary information so you can use the faster security lines.

You might be wondering: How do I find my KTN number? If you’ve forgotten your KTN, the process to retrieve it is simple. Head to the TSA website and click the link to “Look up your KTN online.” You’ll input your full name, date of birth and at least one method of contact (phone or email).

If you’re an automatic member of TSA PreCheck due to your Global Entry enrollment, you won't be able to do a Known Traveler Number lookup through the TSA website. Instead, log into your Global Entry account on the Homeland Security website and locate your PASSID. This applies for Nexus and SENTRI members as well.

You can also use your Universal Enroll ID, or UEID, number and date of birth to conduct a Known Traveler Number lookup. Your UEID is assigned when you apply for TSA PreCheck online and before your interview; see your confirmation email to find this information.

What if I can’t find my KTN number?

You might input your information into the KTN lookup link and receive a denial message that says “No status found.”

In the case that your information is correctly provided and you’re still unable to be located in the system, you can call Homeland Security at 855-347-8371 for assistance.

Your Known Traveler Number, also known as PASSID, can be quickly retrieved by reading the back of your Global Entry card. This number is typically nine digits long and usually begins with 15, 98 or 99.

TSA PreCheck members are identifiable through a Known Traveler Number. This number needs to be added to individual flight bookings to ensure access to expedited airport security screening; it can be added to flight reservations at the time of booking, after booking and even after checking in.

If you’ve lost your KTN, you can use a Known Traveler Number lookup online to retrieve your identification number or find it from the back of your Global Entry card.

How to maximize your rewards

You want a travel credit card that prioritizes what’s important to you. Here are our picks for the best travel credit cards of 2024 , including those best for:

Flexibility, point transfers and a large bonus: Chase Sapphire Preferred® Card

No annual fee: Bank of America® Travel Rewards credit card

Flat-rate travel rewards: Capital One Venture Rewards Credit Card

Bonus travel rewards and high-end perks: Chase Sapphire Reserve®

Luxury perks: The Platinum Card® from American Express

Business travelers: Ink Business Preferred® Credit Card

on Chase's website

1x-5x 5x on travel purchased through Chase Travel℠, 3x on dining, select streaming services and online groceries, 2x on all other travel purchases, 1x on all other purchases.

60,000 Earn 60,000 bonus points after you spend $4,000 on purchases in the first 3 months from account opening. That's $750 when you redeem through Chase Travel℠.

1.5%-6.5% Enjoy 6.5% cash back on travel purchased through Chase Travel; 4.5% cash back on drugstore purchases and dining at restaurants, including takeout and eligible delivery service, and 3% on all other purchases (on up to $20,000 spent in the first year). After your first year or $20,000 spent, enjoy 5% cash back on travel purchased through Chase Travel, 3% cash back on drugstore purchases and dining at restaurants, including takeout and eligible delivery service, and unlimited 1.5% cash back on all other purchases.

$300 Earn an additional 1.5% cash back on everything you buy (on up to $20,000 spent in the first year) - worth up to $300 cash back!

on Capital One's website

2x-5x Earn unlimited 2X miles on every purchase, every day. Earn 5X miles on hotels and rental cars booked through Capital One Travel, where you'll get Capital One's best prices on thousands of trip options.

75,000 Enjoy a one-time bonus of 75,000 miles once you spend $4,000 on purchases within 3 months from account opening, equal to $750 in travel.

We are an independent publisher. Our reporters create honest, accurate, and objective content to help you make decisions. To support our work, we are paid for providing advertising services. Many, but not all, of the offers and clickable hyperlinks (such as a “Next” button) that appear on this site are from companies that compensate us. The compensation we receive and other factors, such as your location, may impact what ads and links appear on our site, and how, where, and in what order ads and links appear. While we strive to provide a wide range of offers, our site does not include information about every product or service that may be available to you. We strive to keep our information accurate and up-to-date, but some information may not be current. So, your actual offer terms from an advertiser may be different than the offer terms on this site. And the advertised offers may be subject to additional terms and conditions of the advertiser. All information is presented without any warranty or guarantee to you.

This page may include: credit card ads that we may be paid for (“advertiser listing”); and general information about credit card products (“editorial content”). Many, but not all, of the offers and clickable hyperlinks (such as a “Apply Now” button or “Learn More” button) that appear on this site are from companies that compensate us. When you click on that hyperlink or button, you may be directed to the credit card issuer’s website where you can review the terms and conditions for your selected offer. Each advertiser is responsible for the accuracy and availability of its ad offer details, but we attempt to verify those offer details. We have partnerships with advertisers such as Brex, Capital One, Chase, Citi, Wells Fargo and Discover. We also include editorial content to educate consumers about financial products and services. Some of that content may also contain ads, including links to advertisers’ sites, and we may be paid on those ads or links.

For more information, please see How we make money .

Add Your Known Traveler Number to Get Through Security Faster Next Time You Fly

Signing up for credit cards through partner links earns us a commission. Terms apply to the offers listed on this page. Here’s our full advertising policy: How we make money .

Update: One or more card offers in this post are no longer available. Check our Hot Deals for the latest offers.

Now that ~50 airlines participate in TSA PreCheck, it’s easy to save time at the airport by avoiding long security lines!

If you have  Global Entry or TSA PreCheck , you can get an expedited security screening .  But to enter the PreCheck line,  you must add your Known Traveler Number (KTN) to your airline reservations.

I’ll show you how to add your Known Traveler Number on 6 major US airlines, including American Airlines, Delta, and Southwest!

How to Add Your Known Traveler Number

There are lots of airlines participating in TSA PreCheck’s expedited security clearance:

• Alaska Airlines
• All Nippon Airways
• Allegiant Air
• American Airlines
• Aruba Airlines
• Boutique Airlines
• Brussels Airlines
• Cathay Pacific Airways
• Contour Aviation
• Copa Airlines
• Delta Air Lines
• Dominican Wings
• Etihad Airways
• Frontier Airlines
• Hawaiian Airlines
• InterCaribbean Airways
• JetBlue Airways
• Key Lime Air
• KLM Royal Dutch Airlines
• Miami Air International
• Philippine Airlines
• Seaborne Airlines
• Silver Airways
• Singapore Airlines
• Southern Airways Express
• Southwest Airlines
• Spirit Airlines
• Sun Country Airlines
• Sunwing Airlines
• Turkish Airlines
• United Airlines
• Virgin America
• Virgin Atlantic
• World Atlantic
• Xtra Airways

Here are instructions for adding your Known Traveler Number to 6 major US airlines.  It only takes a minute.  And once you add it, it’s automatically applied to your upcoming flight bookings with no other action needed!

1.   Alaska Airlines

After you log into the Alaska Airlines website , click the dropdown menu that says, “Hi, [Your Name] ,” then “ Profile and Tier Status .”

Next, click “ Traveler Profiles ” on the left.

Then click “Edit My Information .”

Scroll down until you see the “ Known Traveler Number ” section.  Then add your number, click “ Save ,” and you’re done!

2.   American Airlines

Log into the American Airlines website .  Then click “ AAdvantage ” in the top right corner, and “ My Account ” from the dropdown menu.

From there, select “ Information and Password ” in the top left.

Scroll down until you see the “ Secure Traveler ” section on the next page.

Fill-in the information and click “ Save .”

3.   Delta

It’s very simple to update your Delta profile after you log-in .

On the main page, click your name in the top right corner to get started.

On the dropdown menu, select “ Profile .”

On the next page, look for a box under “ Basic Info ” on the left that says, “ TSA PreCheck/Known Traveler/Redress .”  Click the link to add your Known Traveler Number and hit “ Save Changes ” to exit.  That’s it!

4.   JetBlue

After you log-in , click the “ True Blue ” box in the top right corner.

Then navigate to the “ Profile ” link on the left.

You’ll find the “ TSA PreCheck ” section near the bottom.  Click the pencil icon to edit the information and add your Known Traveler Number.  Then click “ Update ” to save it to your profile.

5.   Southwest

To get started, log-in and click “ My Account ” at the top of the page.

Then, scroll to the bottom of the page and look for the “ My Preferences ” section.

Click “ Edit ,” then add your Known Traveler Number and click “ Save .”

6.   United Airlines

After you log-in , click “ View Account .”

On the next screen, scroll down to the “ Profile ” section near the bottom.

Then click “ Edit Traveler Information .”

Near the top, there’s a place to add your Known Traveler Number beneath your name.  Click “ Continue ” to save it to your profile.

In each case, adding your Known Traveler Number (KTN) only takes a minute!  So there’s no reason to miss out on a better airport security experience if you have  Global Entry or TSA PreCheck  membership.

Get Free TSA PreCheck With These Cards!

There are several cards that will cover the price of enrollment in Global Entry or TSA PreCheck , including:

• The Platinum Card® from American Express and  The Business Platinum Card® from American Express
• Chase Sapphire Reserve®
• IHG® Rewards Club Premier Credit Card
• Citi Prestige® Card
• Citi® / AAdvantage Executive World Elite™ Mastercard®
• Ritz-Carlton Rewards® Credit Card
• Bank of America®️ Premium Rewards®️ credit card
• Capital One® Venture® Rewards Credit Card
• US Bank Altitude™ Reserve Visa Infinite® Card
• US Bank Flexperks® Gold American Express® Card
• United℠ Explorer Card

After you use these cards to pay for Global Entry or TSA PreCheck, you’ll get a statement credit for the expense!

I recommend signing-up for Global Entry instead of TSA PreCheck .

That’s because when you have Global Entry, you’ll also be approved for TSA PreCheck on most flights.  And Global Entry also helps you avoid the long lines at US Customs & Immigration when you return to the US from overseas.  So it’s like getting a 2-for-1 deal!

Here’s how to fill out the Global Entry application .

Bottom Line

If you have  Global Entry or TSA PreCheck,  be sure to add your Known Traveler Number (KTN) to your airline accounts so you can get expedited screening next time you fly!

It only takes a minute.  And can save you lots of time and frustration at the airport.  Especially if you fly with any of the airlines that participate in TSA PreCheck.

Million Mile Secrets

Contributor

Million Mile Secrets features a team of points and miles experts who have traveled to over 80 countries and have used 60+ credit cards responsibly to accumulate loyalty points and travel the world on the cheap! The Million Mile Secrets team has been featured on The Points Guy, TIME, Yahoo Finance and many other leading points & miles media outlets.

More Topics

General Travel

Join the Discussion!

You May Also Like

BonusTracker: Best credit card bonus offers

June 14, 2021 4

Best Hilton credit cards: Improved weekend night certificates, earning rates and more

June 12, 2021 2

Our Favorite Partner Cards

Popular posts.

Protect Your Trip »

Monos vs. away: luggage comparison charts.

An Away expert and a Monos fan compare these two well-known luggage brands.

Monos vs. Away Comparison Charts

Courtesy of Away and Monos

When it comes to purchasing new luggage, the final decision for many buyers often comes down to two brands: Monos and Away. Both brands offer similarly designed hard-sided luggage in the same price range. They've both been around for about the same amount of time as well – Away launched in 2015, and Monos made its debut in 2018.

With so much in common between these brands, you may have difficulty deciding which luggage brand makes the most sense for your travel needs. That's why we've taken Away and Monos head to head in a series of comparisons below.

(Note: Prices were accurate at the time this article was published; they may fluctuate due to demand or other factors. Because of the popularity of these brands, certain pieces or color choices may be sold out.)

Monos vs. Away: The Basics

Key differences: Monos luggage is slightly more affordable and lightweight than Away. It's also available in a wider variety of colors, including limited edition options.

Monos vs. Away: Top Features

Key differences

• Away's expandability: Most of Away's carry-on and checked bags are available in Flex form (for example, The Medium Flex ); these suitcases offer all the same features as their Classic counterparts, but with additional expandability. While you won't find this option with Monos luggage, Monos does offer an external pocket on its Carry-On Pro and Carry-On Pro Plus .
• Monos' sustainability: Monos luggage is crafted from partially recycled materials and features vegan leather.

Pros and Cons

Away Luggage Pros & Cons

Lightweight

No external pocket on carry-on bags

Can roll away on uneven surfaces

Can be easily scratched

Monos Luggage Pros & Cons

Removable interior compression panel

Release button telescoping handle

Lighter colors show wear and tear easily

Vegan leather details have a slight odor

Tips on Trips and Expert Picks

Travel tips, vacation ideas and more to make your next vacation stellar.

Monos vs. Away: Luggage Comparisons

Carry-on luggage.

Key differences: In addition to The Carry-On and The Bigger Carry-On, Away offers The Carry-On Flex and The Bigger Carry-On Flex , which feature additional expandability. Monos has the Carry-On Pro and the Carry-On Pro Plus , which offer a large exterior pocket instead of expandability.

Medium Checked Luggage

Large Checked Luggage

Key differences: The Trunk by Away is made of polycarbonate, while the Monos Hybrid Trunk features a polycarbonate shell with an aluminum frame and corner guards. Additionally, the Trunk by Away is slightly larger than the one offered by Monos.

Monos vs. Away: Aluminum Luggage Comparisons

Key differences: Away's aluminum luggage features a fully aluminum shell. Monos' hybrid line combines a polycarbonate shell with two aluminum features: an aluminum frame and aluminum corner guards. Also, Monos offers a Hybrid Trunk while Away does not.

The Verdict

Both Monos and Away offer lightweight yet sturdy hard-sided luggage with key features including smooth 360-degree spinner wheels, strong handles, sturdy zippers, and interior compression and organization.

If expandability and durability are essential to you, Away is your best option. In our testing, we found Away's luggage to be more scratch-resistant than Monos' suitcases. Away also has an overall more attractive aesthetic. For almost everything else – a slightly lower price point and weight, more color choices, the option to have an external pocket and a focus on sustainability – Monos comes out on top.

Why Trust U.S. News Travel

For these comparisons, Rachael Hood and Amanda Norcross drew from their personal experiences with Away and Monos luggage. Norcross has been traveling with Away luggage for more than five years, while Hood has been traveling with Monos luggage for about a year and testing a variety of luggage for as long as she can remember.

You might also be interested in:

• The Best Carry-on Luggage
• The Best Checked Luggage
• The Best Luggage Sets
• Hard vs. Soft Luggage: Which Type Is Right for You?
• The Best Luggage Brands

Tags: Travel , Travel Gear

World's Best Places To Visit

• # 1 South Island, New Zealand
• # 4 Bora Bora

If you make a purchase from our site, we may earn a commission. This does not affect the quality or independence of our editorial content.

You May Also Like

The 14 best maui tours.

John Rodwan March 28, 2024

The Best Weekender Bags for Women

Rachael Hood , Erin Evans , Catriona Kendall , Amanda Norcross and Leilani Osmundson March 27, 2024

What to Pack in a Carry-on Bag

Rachael Hood March 27, 2024

15 Best Nashville Tours

Lyn Mettler March 26, 2024

The Best NYC Helicopter Rides and Tours

The 6 Best Kauai Helicopter Tours

Holly Johnson and Marisa Méndez March 25, 2024

The Best Diaper Bag Backpacks

Amanda Norcross March 21, 2024

The 13 Best Los Angeles Tours

Kyle McCarthy and Marisa Méndez March 21, 2024

The Best Washington, D.C. Tours

Kim Foley MacKinnon March 20, 2024

The Top Amusement Parks in the U.S.

Holly Johnson and Sharael Kolberg March 19, 2024

What we know about the container ship that crashed into the Baltimore bridge

• The ship that crashed into the Francis Scott Key Bridge on Tuesday was the Singapore-flagged Dali.
• The container ship had been chartered by Maersk, the Danish shipping company. 
• Two people were recovered from the water but six remain missing, authorities said.

A container ship crashed into a major bridge in Baltimore early Tuesday, causing its collapse into the Patapsco River.

A livestream showed vehicles traveling on the Francis Scott Key Bridge just moments before the impact at 1:28 a.m. ET.

Baltimore first responders called the situation a "developing mass casualty event" and a "dire emergency," per The Associated Press.

James Wallace, chief of the Baltimore Fire Department, said in a press conference that two people had been recovered from the water.

One was uninjured, but the other was transported to a local trauma center in a "very serious condition."

Wallace said up to 20 people were thought to have fallen into the river and some six people were still missing.

Richard Worley, Baltimore's police chief, said there was "no indication" the collision was purposeful or an act of terrorism.

Wes Moore, the governor of Maryland, declared a state of emergency around 6 a.m. ET. He said his office was in close communication with Pete Buttigieg, the transportation secretary.

"We are working with an interagency team to quickly deploy federal resources from the Biden Administration," Moore added.

Understanding why the bridge collapsed could have implications for safety, in both the shipping and civil engineering sectors.

The container ship is the Singapore-flagged Dali, which is about 984 feet long, and 157 feet wide, per a listing on VesselFinder.

An unclassified Cybersecurity and Infrastructure Security Agency report said that the ship "lost propulsion" as it was leaving port, ABC News reported.

The crew notified officials that they had lost control and warned of a possible collision, the report said, per the outlet.

The Dali's owner is listed as Grace Ocean, a Singapore-based firm, and its manager is listed as Synergy Marine, which is also headquartered in Singapore.

Shipping news outlet TradeWinds reported that Grace Ocean confirmed the Dali was involved in the collapse, but is still determining what caused the crash.

Related stories

Staff for Grace Ocean declined to comment on the collision when contacted by Business Insider.

"All crew members, including the two pilots have been accounted for and there are no reports of any injuries. There has also been no pollution," Synergy Marine said in a statement.

The company did not respond to a request for further comment from BI.

'Horrified'

Maersk chartered the Dali, with a schedule for the ship on its website.

"We are horrified by what has happened in Baltimore, and our thoughts are with all of those affected," the Danish shipping company said in a statement.

Maersk added: "We are closely following the investigations conducted by authorities and Synergy, and we will do our utmost to keep our customers informed."

Per ship tracking data, the Dali left Baltimore on its way to Colombo, the capital of Sri Lanka, at around 1 a.m., about half an hour before the crash.

The Port of Baltimore is thought to be the largest in the US for roll-on/roll-off ships carrying trucks and trailers.

Barbara Rossi, associate professor of engineering science at the University of Oxford, told BI the force of the impact on one of the bridge's supporting structures "must have been immense" to lead to the collapse.

Dr Salvatore Mercogliano, a shipping analyst and maritime historian at Campbell University, told BI: "It appears Dali left the channel while outbound. She would have been under the control of the ship's master with a Chesapeake Bay pilot onboard to advise the master.

"The deviation out of the channel is probably due to a mechanical issue as the ship had just departed the port, but you cannot rule out human error as that was the cause of the Ever Forward in 2022 just outside of Baltimore."

He was referring to the incident two years ago when the container ship became grounded for a month in Chesapeake Bay after loading up cargo at the Port of Baltimore.

The US Coast Guard found the incident was caused by pilot error, cellphone use, and "inadequate bridge resource management."

Claudia Norrgren, from the maritime research firm Veson Nautical, told BI: "The industry bodies who are here to protect against incidents like this, such as the vessel's flag state, classification society, and regulatory bodies, will step in and conduct a formal investigation into the incident. Until then, it'll be very hard for anyone to truly know what happened on board."

This may not have been the first time the Dali hit a structure.

In 2016, maritime blogs such as Shipwreck Log and ship-tracking site VesselFinder posted videos of what appears to be the stern of the same, blue-hulled container vessel scraping against a quay in Antwerp.

A representative for the Port of Antwerp told BI the Dali did collide with a quay there eight years ago but couldn't "give any information about the cause of the accident."

The Dali is listed as being built in 2015 by Hyundai Heavy Industries in South Korea.

Watch: The shipwreck at the center of a battle between China and the Philippines

• Main content

Where is the Francis Scott Key Bridge? What to know about collapsed Baltimore bridge

The collapse of the Francis Scott Key Bridge , a major transportation link in the Baltimore area, sparked a massive search and rescue effort early Tuesday morning.

The bridge has been a critical transportation passageway along the East Coast for decades. Video captured the collapse , after Singapore-flagged container ship, the Dali, collided with one of the bridge's pillars.

The ship had caught fire, and several vehicles fell into the river below.

Here's what to know about the Francis Scott Key Bridge.

Follow here for live updates → Baltimore's Key Bridge collapses after ship collision; rescue effort underway

Where is the Francis Scott Key Bridge located?

The bridge crosses over the Patapsco River on I-695 and is the final link on the Baltimore Beltway, according to the Maryland Transportation Authority .

It is the outermost of the three tollways that cross Baltimore's Harbor.

How long is the Francis Scott Key Bridge?

The 4-lane bridge structure alone is 1.6 miles long. The facility also includes the Curtis Creek Drawbridge. Including approach roadways, the entire stretch is around 10.9 miles long, MDTA said.

Why did a ship hit the Francis Scott Key Bridge?

The ship, a container vessel chartered by Maersk, apparently lost power a few minutes before striking the bridge, a senior U.S. official told USA TODAY .

No Maersk crew or personnel were onboard the vessel when it struck the bridge, according to a statement from the company. It was operated by a charter company, Synergy Group, and owned by Grace Ocean Pte., based in Singapore, and ultimately bound for Sri Lanka.

Accidents like this, called Marine casualties, are not uncommon, the official told USA TODAY, with an allision (an immobile object being struck by a ship) occurring about every 10 years or so. Investigators will likely look into the cause of the power outage and whether there was a mechanical failure on the ship.

How old is the Key Bridge in Baltimore?

The Francis Scott Key Bridge opened in March 1977, according to the Maryland Transportation Authority .

What type of bridge is the Francis Scott Key?

The steel-arched bridge was the second-longest continuous-truss bridge span in the world when it was built and remains the second longest in the United States and third in the world,  according to the American Civil Engineering Society .

When was the Francis Scott Key Bridge built?

Construction of the Francis Scott Key Bridge began in 1972.

Francis Scott Key Bridge has a deep history

According to the MDTA, the bridge crosses over the Patapsco River, near where Francis Scott Key, the bridge's namesake, was inspired to write the lyrics of the Star Spangled Banner.

Key is believed to have witnessed the bombardment of Fort McHenry on the night of Sept. 12, 1814, within 100 yards of the modern-day bridge. That battle is what inspired him to the national anthem.

How vital is the Francis Scott Key Bridge?

The bridge is critical to East Coast shipping. The port’s private and public terminals handled 847,158 autos and light trucks in 2023, the most of any U.S. port. The port also handles farm and construction machinery, sugar, gypsum and coal, according to a Maryland government website.

An official website of the United States government

Here’s how you know

Official websites use .gov A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS A lock ( Lock A locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

TSA PreCheck Travel with Ease – Known Traveler Number

Did you know that tsa.gov/precheck is the fastest and most trustworthy way to get information about the TSA PreCheck program? Whether you are looking for your renewal date, your Known Traveler Number or which credit cards and loyalty programs cover your application fee. You can find it all at tsa.gov/precheck.