How do I add my known traveler number to my itinerary?

Most airlines instruct you to log in to your profile and edit your existing reservation in order to add your KTN. For Frontier Airlines, log in to My Trip and have your confirmation code ready. Likewise, you need to go to My Trips to update your existing reservation with Spirit.



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You can also update existing reservations with your TSA PreCheck number. Go to Edit Traveler Information in the Manage Reservations section on the website, at an airport kiosk or in the United app.

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Log into your flight reservation under the Traveler Info section and add your KTN there. You must have been approved for TSA PreCheck before you booked the flight in order for it to be used during a trip.

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You can also update existing reservations with your TSA PreCheck number. Go to Edit Traveler Information in the Manage Reservations section on the website, at an airport kiosk or in the United app.

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What should I do? First, check that your membership has not expired by looking up your account here. If still active, confirm with your airline that your Known Traveler Number, name, and date of birth are accurate and that your airline participates in TSA PreCheck®.

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Once you add it to your reservation, Expedia processes it just like the airlines would, guaranteeing that your KTN (and, through the transitive property, your Precheck status) shows up on your boarding pass for smooth sailing through TSA. So give it a try!

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If you don't find out about the missing PreCheck designation until you're at the airport, take your boarding pass back to the airline check-in counter and ask them to add your KTN to your itinerary — even if you think it's not worth the trouble at that point.

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Your “Known Traveler ID” from the TSA has to be added to your account at each airline you use — it's not automatic. Once that's done and enough time has passed so that it's fully in the airline's system (a few days, it's not immediate), that should trigger the appearance of the pre-check status on your boarding pass.

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How do I add my Known Traveler Number (KTN) to previous reservations? Contact your airline by phone or online to add your Known Traveler Number (KTN).

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Once you've correctly added your TSA Pre? credentials to your new or existing reservation, you will see a TSA Pre? logo on your boarding pass. We'll admit, it can be a pretty exciting moment.

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How do I know when I'm approved for TSA PreCheck®? Most applicants receive their Known Traveler Number (KTN) in 3-5 days, though some applications can take up to 60 days.

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Most budget airlines like Frontier, Allegiant, Spirit, and Sun Country all participate in TSA PreCheck. Notable airlines that don't participate in TSA PreCheck include Aer Lingus, China Southern, China Eastern, and EgyptAir.

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Once you complete enrollment and are deemed eligible for the program, wait three to five days for a Known Traveler Number. However, keep in mind that it can take up to 60 days to be approved in some cases. After approval, return to the TSA PreCheck website and click the Check My Service Status link to find your KTN.

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No. The system checks your KTN against the name, gender, and birthdate on the ticket. The system will let you add any number you want, but the boarding pass will never actually show the symbol if the number doesn't match the ticketholder.

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If a TSA PreCheck® lane is not available, please show your TSA PreCheck® boarding pass and you may be able to keep 3-1-1 liquids and laptops in your bag, and shoes and light jackets on while accessing the standard screening lane. Eligible passengers should check with the TSA officer on duty.

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