Editor’s note: This post has been updated with current airlines and information. 

Airport security can be one of the most annoying parts of flying. This is especially true now that passengers are maintaining social distancing when traveling.

But if you are a TSA PreCheck member, the experience can be quicker and easier with expedited security screening at more than 200 U.S. airports. And flyers in the TSA PreCheck lines don’t need to remove shoes, laptops, liquids, belts or light jackets.

TSA PreCheck costs $85 for a five-year membership. But several credit cards, including the Chase Sapphire Reserve and the IHG Rewards Club Premier Credit Card, provide a statement credit for a Global Entry or TSA PreCheck application fee every four to five years. So your TSA PreCheck application fee may be covered by one of your credit cards — or by signing up for a new travel rewards credit card.

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Related reading: Top credit cards for Global Entry and TSA PreCheck

Certain other programs, such as Global Entry and NEXUS, provide TSA PreCheck as an added benefit — be sure to apply for the program that is best for you. Check out our guide comparing Global Entry to TSA PreCheck as well as our guide to whether you should get TSA PreCheck or Clear (or both).

Once approved, you’ll be given a Known Traveler Number (KTN) that designates you as a trusted traveler. Here’s how to find your KTN if you don’t already know it:

• TSA PreCheck participants should head to the TSA Service Status webpage and enter your basic info to retrieve your number.
• Global Entry/SENTRI/NEXUS participants should log into their Customs and Border Patrol Trusted Traveler Programs account. Your “PASSID” number is displayed partway down on the page that comes up after logging in.

Simply having a KTN isn’t enough to get the benefits of TSA PreCheck, though — you’ll need to be flying on one of the 73 airlines that participate in TSA PreCheck and add your KTN to each of your flight bookings. Today we’ll go through how to add your KTN to your frequent flyer account for each airline that currently participates in TSA PreCheck. And, for airlines that don’t make it easy to add this information to an account, we’ll cover how to get your KTN added to a particular booking.

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In This Post

Aeromexico

You can add your KTN to your AeroMexico Club Premier frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click on the drop-down arrow next to “Profile.”
3. Scroll down to the “Additional Details” section and click “Edit.”
4. Enter your KTN in the “Global Entry (KTN) number” box.
5. Scroll to the bottom and click “Save.”

Related reading: 11 things you should know before visiting Mexico

Air Canada

You can add your KTN to your Air Canada Aeroplan frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click on your name in the upper right corner and click on “My Profile.”
3. To the right of the “Personal Information” section, click “Edit.”
4. Enter your KTN in the “Known Traveller Number” box and click “Save.”

Related reading: The best ways to maximize Air Canada’s Aeroplan program

Air France

It’s not possible to add your KTN to your frequent-flyer profile with Air France and there’s no place to add your KTN when booking a flight on the Air France site. However, you can ask Air France agents on the phone and Twitter to add your KTN to a specific booking, or you may be able to add it yourself online to a current reservation by clicking on “My Bookings.”

Related reading: Flying with Air France? All you need to know about the menu

Air India

It’s not possible to add your KTN to your frequent-flyer profile with Air India, but it may be possible to enter it when booking a flight on Air India’s site. A pop-up window encourages travelers to enter their KTN in the Redress Number field.

Since the field may just be for redress numbers, you should also be prepared to add your KTN when checking in online or at the airport.

Related reading: The worst business class I ever flew: A review of Air India on the 777-300ER from Delhi to New York

Air Serbia

It’s not possible to add your KTN to your frequent-flyer profile with Air Serbia and there’s no place to add a KTN when booking a flight on its site. Air Serbia’s site doesn’t discuss how to add a KTN to your booking, but you should be able to add it when checking in online or at the airport.

Related reading: 10 things you need to know before your first trip to Europe

Alaska Airlines

You can add your KTN to your Alaska Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click “Personal info and companions” on the left-side menu.
3. Click “Edit my information” under “International document” on the right side.
4. Enter your KTN in the “Known Traveler Number” box.
5. Scroll to the bottom and click “Save.”

Related reading: Alaska Airlines Visa Signature credit card review

Alitalia

It’s not possible to add your KTN to your frequent-flyer profile with Alitalia, and I didn’t see a place to enter my KTN during booking. Alitalia’s site states that travelers should provide their KTN to their travel agent or the Alitalia call center before check-in or to the agent during airport check-in.

Related reading: Italy saves ailing Alitalia yet one more time — by nationalizing it

All Nippon Airways (ANA)

It’s not possible to add your KTN to your frequent-flyer profile with ANA. ANA’s site states that travelers should enter their KTN during booking, but I didn’t see a place to do it. A reader noted that once you have a reservation, you can enter your KTN by clicking on “Reservation Details” and entering your passenger information.

Related reading: Business-class battle: Comparing ANA The Room and Qatar Qsuite

Allegiant Air

You can add your KTN to your Allegiant Air frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Scroll down and click the “Edit Traveler Information” button.
3. The last box on the Traveler Information form is the “Known Traveler Number” box — enter your KTN here.
4. Click “Save Updates” at the bottom of the Traveler Information section.

Related reading: Preboarding screenings and new cleaning procedures: How U.S. airlines are working to keep flyers healthy

American Airlines

You can add your KTN to your American Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. You should automatically be directed to the “Information and password” section of your account.
3. Scroll about halfway down and enter your KTN in the “Known Traveler number” box.
4. Scroll to the bottom and click “Save.”

Related reading: Choosing the best credit card for American Airlines flyers

Aruba Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Aruba Airlines and there’s no place to add a KTN when booking a flight on its site. Aruba Airlines’ site doesn’t discuss TSA PreCheck or how to add a KTN to your booking, but you should be able to add your KTN when checking in online or at the airport.

Related reading: These are the best times to visit Aruba

Asiana Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Asiana Airlines and there’s no place to add a KTN when booking a flight on its site. Asiana Airlines’ site states that you may contact the reservation center (1-800-227-4262), your travel agency, the Asiana Airlines check-in counter in U.S. airports or the Asiana Airlines dedicated counter at Incheon International Airport (ICN) to add your KTN to your reservation.

Related reading: Flight review of Asiana A380 in business class from New York to Seoul

Austrian Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Austrian Airlines, and there’s no place to add a KTN when booking a flight on its site. Austrian Airlines’ site doesn’t discuss TSA PreCheck or how to add a KTN to your booking, but you should be able to add your KTN when checking in online or at the airport.

Related reading: Austrian Airlines introduces 3D seat maps for Boeing 777 flights

Avianca

It’s not possible to add your KTN to your frequent-flyer profile with Avianca and there’s no place to add a KTN when booking a flight on its site. To include your KTN on a booking, Avianca’s site states that you must make your reservation through the call center, call the call center after booking, chat with Avianca or visit a check-in counter at the airport.

Related reading: Avianca will introduce basic economy in North America

Azul Airlines

You can’t add a KTN when booking a flight on Azul Airlines‘ site. Non-Brazilian residents must email to join Azul’s loyalty program, so I wasn’t able to test to see whether you can save your KTN in your loyalty account. Azul’s site tells you to visit one of its information desks as soon as you arrive at the airport and inform their staff of your KTN.

Related reading: Fast-growing Azul to fly to Brazil from New York

Boutique Airlines

You can add your KTN to your Boutique Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. About halfway down under General Information is a “Known Traveler Number” box. Type your KTN in this box.
3. Scroll to the bottom of the page and click the “Save” button.

Related reading: Flying (almost) private (almost) to Telluride and back on Boutique Air

British Airways

It’s not possible to add your KTN to your frequent-flyer profile with British Airways, and there’s no place to add a KTN when booking a flight on the site. British Airways’ website states that you can add your KTN via Manage My Booking, during online check-in, at an airport desk or by contacting British Airways.

Related reading: British Airways Visa Signature credit card review

Brussels Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Brussels Airlines and there’s no place to add a KTN when booking a flight on the site. But Brussels Airlines’ website states that you can add your KTN via “My Booking” until 24 hours before departure or during online check-in within 24 hours of departure.

Related reading: Flight review of Brussels Airlines premium economy on the Airbus A330, JFK to Brussels

Cape Air

It’s not possible to add your KTN to your frequent-flyer profile with Cape Air, but you can add your KTN when booking a flight on the Cape Air site.

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If you forget or you book through a different channel, you can add your KTN by calling 800-CAPE-AIR or at the airport counter when checking in for your flight.

Related reading: What it was like flying Cape Air

Cathay Pacific Airways

You can add your KTN to your Cathay Pacific frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Scroll down to the “Trusted Traveler programme (if applicable)” section
3. Enter your KTN in the “Known Traveler Number (KTN)” box.
4. Click “Save changes” at the bottom of the page.

Related reading: 12 tips for your first trip to Southeast Asia

China Airlines

It’s not possible to add your KTN to your frequent-flyer profile with China Airlines. However, you can enter it when booking flights on China Airlines’ website.

China Airlines’ website notes that you can also add your KTN when you check in at the airport.

Related reading: Golden elegance: A review of China Airlines business class on the Airbus A350

Condor Airlines

Condor Airlines doesn’t have a loyalty program, and there’s no place to add your KTN when booking a flight on Condor’s site. Your best option will be to ask the agent to add your KTN to your reservation when you check in at the airport.

Related reading: Polish airline LOT acquires German carrier Condor

Contour Aviation

Contour Aviation doesn’t have its own loyalty program, but you can add your KTN to your reservation when booking a flight on Contour’s website.

Related reading: Flight review: What it’s like flying with Contour Airlines

Copa Airlines

You can add your KTN to your Copa Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click on Step 3.
3. Scroll down to the question “Do you have a Known Traveler Number?” and select “Yes.”
4. A box will appear; enter your KTN in this box.
5. Scroll to the bottom of the page and click “Update.”

Related reading: Panamerican ambition: A review of Copa’s business class on the 737 from NYC to Guatemala City via Panama

Delta Air Lines

You can add your KTN to your Delta Air Lines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. You should automatically be directed to the “Basic Info” section of your account.
3. Click “Edit” in the Secure Flight Passenger Data section.
4. Enter your gender, date of birth and KTN.
5. Check the “Save my Secure Flight Passenger Data” box.
6. Click “Save Changes.”

Related reading: Best credit cards for Delta Flyers

Eastern Airlines

Eastern Airlines operates mostly as a charter airline, although there are a few scheduled flights. There’s no place to enter your KTN when booking online, so your best bet will be to ask an agent to add it to your reservation when checking in at the airport.

Related reading: Eastern Airlines flight review from New York to Guayaquil

Edelweiss Air

It’s not possible to add your KTN to your frequent-flyer profile with Edelweiss Air and there’s no place to add a KTN when booking a flight on its site. Edelweiss’ site states that you’ll need to provide your KTN at every check-in.

Related reading: The ultimate guide to riding Swiss trains

Elite Airways

Elite Airways requires passengers to create an account during their first booking. When creating an account, you can enter your KTN into the “Known Traveler #” field.

If you already have an Elite Airways account, you can log in here and add your KTN to your profile.

Emirates

It’s not possible to add your KTN to your frequent-flyer profile with Emirates and there’s no place to add a KTN when booking a flight on its site. Emirates’ site states that you can add your KTN when checking in online or at the airport check-in desk.

Related reading: Emirates has begun rapid preboarding COVID-19 testing at Dubai Airport

Etihad Airways

It’s not possible to add your KTN to your frequent-flyer profile with Etihad, and there’s no place to add a KTN when booking a flight on its site. Etihad’s site doesn’t discuss TSA PreCheck or how to add a KTN to your booking, but you should be able to add your KTN when checking in online or at the airport.

Related reading: Watch as TPG U.K. reviews all four classes on Etihad Airways’ A380

EVA Air

It’s not possible to add your KTN to your frequent-flyer profile with EVA Air. EVA Air’s site states that you can add your KTN at booking or check-in, but currently there’s no place to add a KTN when booking a flight on its site.

Related reading: Flight review of EVA Air premium economy on the 777-300ER, Taipei to San Francisco

Finnair

It’s not possible to add your KTN to your frequent-flyer profile with Finnair, and there’s no place to add a KTN when booking a flight on its site. Finnair’s site states that you can add your KTN to your reservation by contacting customer service. You can also add your KTN when checking in online or at the airport.

Related reading: 10 beautiful igloo hotels to check into this winter

Flycana

Flycana, which was previously Dominican Wings, plans to operate as a low-cost carrier in the Caribbean, but no flights or charters are currently bookable. It has announced plans to start flights in the second quarter of 2021.

Related reading: Is the Dominican Republic safe for tourists?

Frontier Airlines

You can add your KTN to your Frontier Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click on “Account Info” on the right-hand side of the page.
3. Scroll down until you see the “Travel Preferences” section.
4. Click the + next to “Known Traveler Number.”
5. A box will appear. Enter your KTN in this box.
6. Click on the “Update Travel Preferences” button to save the KTN.

Related reading: Everything you should know before flying Frontier Airlines

Hawaiian Airlines

You can add your KTN to your Hawaiian Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Enter your KTN in the box under “Known Traveler Number.”
3. Scroll down and click “Save Changes.”

Related reading: Top 10 reasons why I loved Hawaii much more than I expected

Icelandair

It’s not possible to add your KTN to your frequent-flyer profile with Icelandair, and there’s no place to add a KTN when booking a flight on its site. You can add your KTN to your reservation when you check in at the airport. A TPG reader noted that he was able to add his KTN to a reservation though a Twitter private message.

Related reading: How to get to Iceland on points and miles

InterCaribbean Airways

It’s not possible to add your KTN to your frequent-flyer profile with InterCaribbean. But InterCaribbean Airways’ site notes that you can enter your KTN into new or existing reservations, call or see a check-in agent when you get to the airport to add your KTN to your reservation.

Related reading: 7 little-known Caribbean destinations you should discover — before others do

Interjet

You can add your KTN to your Interjet frequent-flyer profile. Here’s how:

1. Click here, hover over the face logo in the upper right corner and click “Log in.”
2. Log in, hover over your name in the upper right corner and click “My account.”
3. Scroll to “My documents” and click “Edit.”
4. Enter your passport information and KTN.
5. Click “Save changes.”

Related reading: Flying Interjet from San Antonio to Monterrey on the Sukhoi Superjet 100

Japan Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Japan Airlines and there’s no place to add a KTN when booking a flight on its site, even though Japan Airlines’ website states that you can add your KTN while booking. Japan Airlines’ site also says that you can add your KTN via phone with the reservations center or with a travel management company, but it may be easiest to simply add it at airport check-in.

Related reading: Flight review of Japan Airlines economy on the Boeing 777

JetBlue Airways

You can add your KTN to your JetBlue Airways frequent-flyer profile. Here’s how:

1. Click here and log in.
2. You should automatically be directed to the “General Info” section of your account, but you may need to confirm or update your address first.
3. Scroll to the bottom of the form and enter your KTN in the “Known Traveler Number” box.
4. Click “Save my changes.”

Related reading: A solid experience with a few flaws: A review of JetBlue’s A321 in economy from Los Angeles to New York

Key Lime Air / Denver Air Connection

Key Lime Air is primarily a charter airline but operates several flights in the Rocky Mountain region as Denver Air Connection. It’s not possible to add your KTN to your frequent-flyer profile with Denver Air Connection, and there’s no place to add a KTN when booking a flight on its site.

Related reading: What it’s like to fly with Denver Air Connection

KLM Royal Dutch Airlines

It’s not possible to add your KTN to your frequent-flyer profile with KLM, and there’s no place to add a KTN when booking a flight on its site. KLM’s site recommends that you contact the KLM Service Center to add your KTN to a booking.

Related reading: Virgin Atlantic, Air France, KLM and Delta launch joint venture

Korean Air

It’s not possible to add your KTN to your frequent-flyer profile with Korean Air, but you can add it when booking a flight. A reader also noted that you can add your KTN to an existing reservation online.

Related reading: First-rate first class: A review of Korean Air’s 747-8 from Atlanta to Seoul

LATAM

The airline became the latest carrier to join TSA PreCheck, on March 27, 2021. Travelers who belong to TSA PreCheck, Global Entry, NEXUS or SENTRI can enter their Known Traveler Number (KTN) each time they make a reservation on LATAM. Taking this step will create an identification on a boarding pass that will give you instant access to these trusted traveler programs whenever you book a flight.

Lufthansa

It’s not possible to add your KTN to your frequent-flyer profile with Lufthansa, but you can enter it when booking a flight on Lufthansa’s website.

A TPG reader on a previous post also reported success in accessing a Lufthansa booking online, opening the “Visa and immigration data” page, selecting “Person has a redress code or known traveler number” and then entering the number.

Related reading: Watch TPG U.K. review all four classes on a Lufthansa flight to New York

Miami Air International

Miami Air International operates as a charter airline and there are no scheduled flights.

Related reading: How travelers are using private jets to avoid coronavirus exposure

Norwegian Air

It’s not possible to add your KTN to your frequent-flyer profile with Norwegian, but you can add your KTN when booking a flight on the Norwegian website. Norwegian’s Twitter team also told a passenger that he could add his KTN to an existing reservation through the Norwegian website.

Related reading: Norwegian says most flights will be grounded until April 2021

Philippine Airlines / PAL Express

It’s possible to add your KTN when booking a flight on the Philippine Airlines site. After selecting your nationality during booking, additional boxes pop up, one of which is labeled Known Traveler Number.

I was unable to create a frequent-flyer account with Philippine Airlines, so I can’t confirm whether you can add your KTN to your loyalty account. If you forget to enter your KTN while booking or you book through another channel, you may be able to add it during online check-in or at the airport. Note that some Phillippine Airlines flights are operated by PAL Express, which is also a TSA PreCheck airline.

Related reading: The friendly skies: A review of Philippine Airlines’ A350 in economy from Manila to New York

Porter Airlines

You can add your KTN to your Porter Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click the pencil icon next to “Personal Information.”
3. Scroll down and enter your KTN in the Known Traveler Number box under the “Passport details” heading.
4. Click the “Update” button to save.

Related reading: Canadian carrier Porter Airlines to suspend flights until June 1

Qantas

It’s not possible to add your KTN to your frequent-flyer profile with Qantas and there’s no place to add it when booking on Qantas’ site. Qantas’ site states that customers who are U.S. trusted-traveler program members can add their KTN to their reservations, but it doesn’t discuss how to do it. Presumably, you can add it when checking in online or at the airport.

Related reading: Qantas to end international flying through May, ground most wide-bodies

Qatar Airways

There are three ways to add your KTN to a Qatar Airways booking. You can add your KTN while making a booking on Qatar Airways‘ website by adding your KTN in the corresponding field when submitting your passenger details. Or you can add your KTN through Manage Booking after booking by clicking “Update Passenger Details” under the “Manage Flight” heading and adding your KTN in the corresponding field. The third option is to add your KTN to your booking when you check in for your flight online.

Related reading: Watch as TPG UK reviews all 3 classes on Qatar Airways’ A380

Scandinavian Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Scandinavian Airlines and there’s no place to add it when booking on Scandinavian’s site. The site doesn’t discuss how to add a KTN to your booking, but you should be able to add it when checking in online or at the airport. One reader noted in the comments below that he was able to add his KTN to a reservation by calling the reservations line.

Related reading: A nice improvement: A review of SAS business class on the new Airbus A350

Seaborne Airlines / Silver Airways

Silver Airways, which has acquired Seaborne Airlines, doesn’t have a frequent-flyer program. But you can add your KTN when booking on its site.

If you forget to enter your KTN when booking, you can also add your KTN during online check-in or call and an agent will do it for you.

Related reading: Flight review of Silver Airways from Jacksonville to Tampa

Singapore Airlines

It’s not possible to add your KTN to your frequent-flyer profile with Singapore Airlines but you can enter it when booking a flight on its site.

If you forget to enter your KTN when booking or you book through another channel, you can also add your KTN during check-in online or at the airport.

Related reading: Watch TPG U.K. review all four classes on Singapore Airlines’ A380

Southern Airways Express

It’s possible to enter your KTN when booking on Southern Airways Express’ website (which also asks for passengers’ weight because the airline flies small prop planes, whose takeoff weight calculations are critical).

Related reading: Why airlines work with regional carriers

Southwest Airlines

You can add your KTN to your Southwest Airlines frequent-flyer profile. Here’s how:

1. Click here and log in. (Note: If you get an error, close the tab and click the link again.)
2. You should automatically be directed to the “Edit Profile Information” section of your account.
3. Enter your KTN in the “Known Traveler Number” box.
4. Scroll to the bottom and click “Save.”

Related reading: The best Southwest Airlines credit cards

Spirit Airlines

You can add your KTN to your Spirit Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. On the left-hand side, click on “Personal Information.”
3. Scroll down until you see a Known Traveler Number box. Enter your KTN in this box.
4. Scroll down to the bottom of the page and click the “Save Changes” button.

Related reading: Everything you should know before flying Spirit Airlines

Sun Country Airlines

You can add your KTN to your Sun Country Airlines frequent-flyer profile. Here’s how:

1. Click here, click “Log In” in the upper right-hand corner and sign in.
2. In the upper right-hand corner, click your name and then click “Update Profile.”
3. Enter your KTN in the “Known Traveler Number” box.
4. Scroll down and click the “Update & Save” button.

Related reading: The best credit cards to use on low-cost carriers

Sunclass

Sunclass operates as a charter airline based in Scandanavia.

Related reading: Why you might want to visit Sweden instead of Norway

Sunwing Airlines

Sunwing Airlines doesn’t have a frequent-flyer program, and there’s no place to add a KTN when booking a flight on its site. But you should be able to add your KTN when checking in online or at the airport.

Related reading: Mexico plans to reopen many of its beaches in June — here’s what travelers should know

Swift Air / iAero Airways

Swift Air has rebranded to become iAero Airways. iAero Airways operates as a charter airline with no regularly scheduled flights.

Related reading: The best credit cards for airfare purchases

Swiss International Air Lines

It’s not possible to add your KTN to your frequent-flyer profile with Swiss and there’s no place to add a KTN when booking a flight on its site. Swiss’ website doesn’t provide any guidance regarding when or how to add your KTN to your reservation but one reader commented below that she was able to do so over the phone.

Related reading: In need of a refresh: Review of Swiss economy class from Geneva to New York on the A330

Swoop

It’s not possible to add your KTN to your frequent flyer profile with Swoop, and there’s no place to add a KTN when booking a flight on its site. Swoop’s website states that you can enter your KTN when you are checking in, so you should be able to add it when checking in online or at the airport.

Related reading: Swoop, there it is: A review of Swoop in a 737-800 in economy from Tampa to Toronto

TAP Air Portugal

There’s not a clear field to add your KTN to your frequent flyer profile with TAP Air Portugal and there’s no place to add a KTN when booking a flight on its site. But one commenter noted below that you can add your KTN to your profile by going to My Profile and then adding it to the Green Card Number field under Advanced Information.

TAP’s website states that you can add your KTN to your boarding pass, so you should be able to add it when checking in online or at the airport.

Related reading: Flight review of TAP Air Portugal’s A321LR in business class, Porto to Newark

Turkish Airlines

It’s not possible to add your KTN to your frequent flyer profile with Turkish Airlines and there’s no place to add it when booking a flight on Turkish Airlines’ site. The site also doesn’t explain how to add a KTN to your booking, but you should be able to add it when checking in online or at the airport.

Related reading: How to redeem points and miles for Turkish Airlines business class

United Airlines

You can add your KTN to your United Airlines frequent-flyer profile. Here’s how:

1. Click here and log in.
2. You should automatically be directed to the “Edit Traveler” section of your account.
3. Click the arrow sign next to “Travel identification documents” and enter your KTN in the “Known traveler number/Pass ID” box.
4. Click “Save” to save.

Related reading: The best credit cards for flying United

Virgin Atlantic

You can add your KTN to your Virgin Atlantic frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Scroll about a third of the way down the page and click the “Profile” box on the right-hand side of the page.
3. Scroll a little over halfway down to the “Advanced passenger information” section.
4. Click the “Edit” button next to this section.
5. Enter your KTN in the Known Traveler Number box.
6. Click the “Save” button.

Related reading: Virgin Atlantic Mastercard credit card review

Viva Aerobus

It’s not possible to add your KTN to your frequent flyer profile with VivaAerobus, and there’s no place to add it when booking a flight on VivaAerobus’ site. The site also doesn’t explain how to add a KTN to your booking, but you should be able to add it when checking in online or at the airport.

Related reading: How to fly in a lie-flat business class seat between the U.S. and Mexico

Volaris

It’s not possible to add your KTN to your frequent flyer profile with Volaris, but you can enter it when booking a flight.

Related reading: Volaris adds new routes between U.S. and Mexico

WestJet

You can add your KTN to your WestJet frequent-flyer profile. Here’s how:

1. Click here and log in.
2. Click on the down arrow by “Known traveler number.”
3. Enter your KTN in the box.
4. Click the “Save known traveler number” button.

Related reading: Flight review of WestJet premium from Toronto to London on the 787

World Atlantic

World Atlantic operates as a charter airline based in Miami. There are no scheduled flights.

Related reading: Low-cost, lie-flat or private jet: What’s the best way to fly from New York to Miami?

Xtra Airways

Xtra Airways doesn’t seem to be operating currently. But the airline hopes to become a scheduled service airline.

Related reading: You could soon be flying one of these start-up airlines

Featured image Joe Raedle/Getty Images

SPONSORED: With states reopening, enjoying a meal from a restaurant no longer just means curbside pickup.

And when you do spend on dining, you should use a credit card that will maximize your rewards and potentially even score special discounts. Thanks to temporary card bonuses and changes due to coronavirus, you may even be able to score a meal at your favorite restaurant for free. 

These are the best credit cards for dining out, taking out, and ordering in to maximize every meal purchase.

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Editorial Disclaimer: Opinions expressed here are the author’s alone, not those of any bank, credit card issuer, airlines or hotel chain, and have not been reviewed, approved or otherwise endorsed by any of these entities.

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