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How to Add Your Known Traveler Number (KTN) to an Already Booked Flight

Learn how to apply your Known Traveler Number (KTN) to an existing flight booking to enjoy TSA PreCheck benefits.

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Video transcript

To apply your KTN (Known Traveler Number) to an already booked flight, follow these steps: Log in to your airline's website, navigate to your booking, and look for an option to add or edit passenger details. Enter your KTN in the designated field and save the changes. Alternatively, you can call your airline's customer service and provide them with your KTN to update your booking. This ensures you benefit from TSA PreCheck at the airport.

Questions and answers

  1. Can I add my Known Traveler Number after booking a flight?

    Yes, you can usually add your KTN by logging into your airline's website and editing your booking details or by calling the airline's customer service.

  2. Why should I add my Known Traveler Number to my flight reservation?

    Adding your KTN ensures you can use TSA PreCheck lanes, which often result in faster security screening at the airport.

  3. What if I forget to add my KTN before arriving at the airport?

    You can still add your KTN by contacting the airline or at check-in, but it's best to add it beforehand to guarantee TSA PreCheck access.

Related questions

Continue exploring

For more helpful travel tips and guides on TSA PreCheck, consider watching our videos on how to apply for a KTN, TSA PreCheck benefits, and tips for faster airport security screening.