Add TSA PreCheck to your United Airlines flight by entering your KTN online or calling 1-866-284-2457 for help. To add TSA PreCheck to your United Airlines flight, you need to enter your Known Traveler Number (KTN) during the booking process or afterward through the “My Trips” section on United’s website. Log in to your reservation, navigate to passenger details, and input your KTN exactly as registered. Ensure your full name matches your TSA PreCheck enrollment. If you've already booked your flight, you can still update this information online or by calling United Airlines customer support. Once your KTN is added, your boarding pass should display the TSA PreCheck logo, allowing expedited screening at participating U.S. airports.
How Do I Add TSA PreCheck to My United Airlines Flight?
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