If you're traveling through the Atlanta airport terminal Southwest Airlines uses, you’ll find yourself navigating one of the busiest and most efficient travel hubs in the world. Southwest Airlines operates out of Terminal North (Concourse C) at Hartsfield-Jackson Atlanta International Airport, which is well-equipped to handle the high volume of passengers the airline serves daily. As one of the most traveler-friendly terminals in ATL, Concourse C features a wide range of amenities including quick-service and sit-down dining options, retail stores, and convenient seating areas ideal for both leisure and business travelers.