One of the biggest travel hubs in the world, Hartsfield-Jackson Atlanta International Airport (ATL), is home to Delta Airlines' main operating base, the South Terminal. Concourses T, A, B, C, and D are part of the South Terminal, which provides travelers with a smooth travel experience with a range of services like food options, shopping, and Delta Sky Club lounges. Transferring between gates is quick and easy because of the Plane Train's excellent connection to the terminal.