Is Your Global Entry Number the Same as Your Known Traveler Number (KTN)?
Learn if your Global Entry number doubles as your Known Traveler Number (KTN) for TSA PreCheck benefits and how to use it when booking flights.
How to Use Your KTN (Known Traveler Number) When Booking Flights
Learn how to add your Known Traveler Number (KTN) when booking flights and at the airport for TSA PreCheck benefits.