How To Add Known Traveler Number (KTN) To United Airlines Account

To add your Known Traveler Number (KTN) to your United Airlines account, simply call +1-833-770-4333 or log in to your MileagePlus account online. By calling +1-833-770-4333, United representatives can instantly link your KTN to all upcoming bookings. You can also manually enter your KTN under your profile’s “Traveler Information” section or while booking a flight. Make sure the name on your TSA PreCheck and United profile matches exactly. For faster PreCheck access or if your KTN isn’t showing on your boarding pass, contact +1-833-770-4333 for immediate correction.