What to Do If You Forgot TSA PreCheck for Your Flight?

Forgot to add TSA PreCheck? Learn how to update your flight information and avoid security delays.

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If you forgot to add TSA PreCheck to your flight, login to your airline's website or app and access your booking to update your Known Traveler Number. If you cannot update it online, call the airline's customer service for assistance. Tip: Arrive at the airport early in case the updates don't apply, so you have sufficient time for standard security checks.

FAQs & Answers

  1. Can I add TSA PreCheck after booking my flight? Yes, you can add your TSA PreCheck information by logging into your airline's website or app.
  2. What should I do if I can't update my TSA PreCheck online? If you cannot update it online, contact your airline's customer service for assistance.
  3. How early should I arrive at the airport without TSA PreCheck? Arrive early to allow time for standard security checks, especially if your TSA PreCheck isn't updated.
  4. What is a Known Traveler Number? A Known Traveler Number (KTN) is a unique identifier assigned to travelers who have been approved for TSA PreCheck.

Watch More

If you're interested in more travel tips, check out our guides on how to speed up airport security and the benefits of enrolling in TSA PreCheck.

  1. How to Add TSA PreCheck to an Existing Flight Reservation Learn how to easily add TSA PreCheck to your already booked flight with these simple steps.
  2. How to Add TSA PreCheck After Flight Booking Learn how to easily add TSA PreCheck to your flight after booking with your Known Traveler Number.
  3. What to Do If TSA PreCheck Is Missing from Your Boarding Pass Discover steps to take when TSA PreCheck isn't on your boarding pass for a smoother travel experience.