What is my Known Traveler Number (What is my KTN)?

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How CLEAR Plus Members
Can Use YYZ EXPRESS

A KTN, or Known Traveler Number, is a unique number issued by the TSA indicating you’ve completed a Security Threat Assessment and are eligible for TSA PreCheck® expedited screening. Your KTN is valid for 5 years and should be used when booking airline reservations.

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What is my Known Traveler Number (What is my KTN)?

How CLEAR Plus Members Can Use YYZ EXPRESS

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Still have questions? We’re here to help

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visit support page

How CLEAR Plus Members
Can Use YYZ EXPRESS