No, it checks that you have a boarding pass: https://www.tsa.gov/travel/security-screening/credential-authentication-technology https://www.tsa.gov/travel/secur

No, it checks that you have a boarding pass: https://www.tsa.gov/travel/security-screening/credential-authentication-technology https://www.tsa.gov/travel/security-screening/credential-aut... > CAT is linked electronically to the Secure Flight database, which confirms travelers’ flight details, ensuring they are ticketed for travel that day.