Travelers flying through Hartsfield-Jackson Atlanta International Airport often wonder about TSA wait times ATL (https://airlinesairportterminals.com/atl-airport/wait-time/). ATL, one of the busiest airports in the world, sees a lot of travelers, particularly on holidays and in the early mornings. By terminal and time of day, TSA wait times at ATL can range from 10 to 45 minutes. It's advisable to check real-time information on the airport's official website or using the MyTSA app to prevent delays. It is advised to arrive at ATL at least two hours prior to your domestic flight in order to guarantee a seamless security check.