To add TSA PreCheck to your Southwest Airlines booking, simply enter your Known Traveler Number (KTN) during the booking process or add it to your profile afterward. Enjoy expedited security screening at participating airports, making your travel experience with Southwest Airlines even smoother and more efficient
To add TSA PreCheck to your Southwest Airlines booking, simply enter your Known Traveler Number (KTN) during the booking process or add it to your profile afterward.
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