TSA PreCheck®

What is my KTN number?

A KTN or Known Traveler Number, is a unique number issued by the TSA indicating you’ve completed a Security Threat Assessment and are eligible for TSA PreCheck® expedited screening. Your KTN is valid for 5 years and should be used when booking airline reservations.

Still have questions? We’re here to help

Chat Now

Select “Chat with us” to chat with our Digital Ambassador, Clara.

visit support page

Explore FAQ topics and account self-service here.