How do I add my TSA Precheck to American Airlines after booking? TSA pre-check is a dominant platform that gives travelers various advantages worldwide. At the airport, you will get expedited screening, ease in the checkpoints, etc. You can add the TSA pre-check to the reservation if you are enrolled in the CBP program and get the KTN number. When you make the reservation and want to add the TSA pre-check, you can do so online or connect with customer...
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