Atlanta Airport TSA wait times (https://www.atlatlantaairport.com/wait-times) depend on passenger traffic, flight schedules, and checkpoint operations. Checking current ATL wait times before departure helps travelers plan their airport arrival and prepare for security screening. Domestic passengers should generally arrive two hours before departure, while international travelers should allow three hours. TSA PreCheck and CLEAR+ may offer faster screening options for eligible passengers. Always check the latest estimates and confirm your airline's travel recommendations before leaving for Hartsfield-Jackson Atlanta International Airport.