Southwest Airlines operates out of Terminal North (Concourse C) at Hartsfield-Jackson Atlanta International Airport (ATL). If you're flying with Southwest, you'll want to head to Terminal North for check-in, baggage drop-off, and security. After clearing security, proceed to Concourse C, where all Southwest gates are located. Concourse C is easily accessible via the airport’s Plane Train and offers a variety of shops, dining options, and seating areas. Knowing what terminal Southwest is at ATL is helpful to streamline your travel experience and avoid unnecessary confusion. Southwest provides both domestic and limited international flights from this terminal. It's recommended to arrive early, especially during peak travel times, to allow time for check-in and security. Parking and ground transportation options are conveniently located near Terminal North. Remember, for any Southwest flight at ATL, Terminal North and Concourse C is where you need to be. Keep this in mind for a smooth journey.