Can you add TSA Known Traveler number after booking?
If you received your KTN after booking an existing airline reservation, you may add it at the boarding counter, or at the self-service kiosk at the airport.
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Log into your flight reservation under the Traveler Info section and add your KTN there. You must have been approved for TSA PreCheck before you booked the flight in order for it to be used during a trip.
You can also update existing reservations with your TSA PreCheck number. Go to Edit Traveler Information in the Manage Reservations section on the website, at an airport kiosk or in the United app.
Yes.TSA PreCheck® is available when you depart from a U.S. airport to a foreign country, and for domestic, connecting flights after you return to the United States. If you travel internationally four or more times a year, consider enrolling in Global Entry instead of TSA PreCheck®.
Technically your spouse can't go through the TSA PreCheck lane without their own account. In some instances, however, security may allow them through when it's clear that their boarding passes match yours as the primary account holder.
How long does it take to get approved? Most applicants receive approval notification in 3-5 days, though some applications can take up to 60 days. Considering this, applicants are encouraged to renew at least 60 days prior to expiry. TSA will notify members with eligibility results.
Passport information is mandatory for booking. Passenger name spell is unchangeable after purchase, but other information(passport number/valid) can be modified at the airport on the day of departure.