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How do I add a KTN to an already booked flight?

Add your KTN/PASS ID/DoD ID number to an existing reservation: You can update existing United reservations through the Edit traveler information option in Manage Reservations, on an airport kiosk or in the United app.



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To do so, click on Manage Trip for each reservation. Then, click on Add/Edit Passenger Information to add your PreCheck number.

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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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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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Yes. TSA PreCheck® is available when you depart from a U.S. airport to a foreign country, and for domestic, connecting flights after you return to the United States. If you travel internationally four or more times a year, consider enrolling in Global Entry instead of TSA PreCheck®.

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A Known Traveler Number (KTN) is issued to all individuals approved to receive TSA PreCheck® expedited screening. The KTN must be added in the KTN field when booking airline travel reservations to have the TSA PreCheck® indicator appear on your boarding pass.

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The application fee for TSA PreCheck® is $78 for 5 years.

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Visit the TSA PreCheck website and click on the Check Status button. Enter your full name, date of birth and passport number or your Known Traveler Number (KTN). Review your TSA PreCheck status. You'll know your membership is active if the website displays your current status, expiration date and KTN (if applicable).

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On the Trips screen of the app, select the existing trip to which you want to add the number. Find the names of the passengers included in the reservation. Click on a name to see the TSA numbers link, and click on that link. Type in your Known Traveler Number and save it by clicking the Add number button.

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How do I add TSA PreCheck to JetBlue after booking? You can access the add/edit TSA Precheck option from the dropdown menu after selecting your flight under Manage Flights.

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Your KTN will remain the same, and it will be valid for another five years after the current expiry date. If your name has changed, you must contact the TSA Help Center at 855-347-8371 to update your name prior to going through the steps above.

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You book with an airline that doesn't participate in TSA PreCheck.
  • China Southern Airlines.
  • China Eastern Airlines.
  • EasyJet.
  • EgyptAir.
  • Norwegian Airlines.
  • Qatar Airways.
  • Ryanair.
  • Iceland Air.


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