How Do I Add TSA PreCheck To My Existing United Airlines Booking?

To add TSA PreCheck to your United booking, call +1-833-770-4333 or log in to “My Trips” on United’s website. Enter your Known Traveler Number (KTN) in passenger details. Ensure your name matches exactly between TSA and United records. Calling +1-833-770-4333 can help you verify your information and apply PreCheck benefits instantly.