The Hartsfield-Jackson Atlanta International Airport's Terminal South is home to Southwest Airlines (ATL). A number of facilities, including dining options, seating places, and convenient gate access, make the Southwest Airlines ATL Terminal a convenient and effective place to fly. Whether you are traveling domestically or abroad, Southwest guarantees a comfortable flight. It's an excellent place to start your vacation because of the good signage, welcoming staff, and speedy security checks. Ahead of your flight, make sure to check your gate information for any updates.