What is my KTN (Known Traveler Number) and how can I access it for future travel arrangements?

Your Known Traveler Number (KTN) is a unique identification number assigned to you by the TSA PreCheck program, which allows you to access expedited security screening at airports. You can find your KTN on your TSA PreCheck membership card or by logging into your TSA PreCheck account online. Make sure to provide your KTN when booking flights to ensure you receive the benefits of expedited screening.