Flying with Delta Airlines ATL Terminal means a smooth and hassle-free experience at Hartsfield-Jackson Atlanta International Airport (ATL), Delta's busiest hub. Domestic flights operate from Terminal South, while international departures are handled in Terminal S at the Maynard H. Jackson Jr. International Terminal. With plenty of dining and shopping spots, fast security checkpoints, and the convenient ATL Plane Train, navigating the airport is easy. For those looking for a little extra comfort, the Delta Sky Club is the perfect place to relax before departure.