Delta Airlines ATL Terminal one of the busiest airports in the world, Hartsfield-Jackson Atlanta International Airport (ATL), serves as the main hub for Delta Air Lines. Although it also utilizes Concourses T, C, D, and E, Delta's operations are concentrated at Concourses A and B. The terminal is well furnished with a variety of food establishments, lounges, and retail shops. With quick connections, effective security checks, and Delta's vast airline network, ATL serves as a hub for both domestic and international travel for passengers flying with Delta Air Lines.