If you’re flying Southwest Airlines in Atlanta, all of your flights—arrivals and departures—go through Hartsfield–Jackson Atlanta International Airport’s Domestic Terminal, specifically Concourse C.
That’s the short answer. Below is everything you need to know to actually navigate it with confidence, whether you live in metro Atlanta, are visiting, or just connecting through.
At Atlanta’s airport (ATL), Southwest operates out of the Domestic Terminal and uses:
You’ll check in and drop bags at the South Terminal counters, then go through security and take the Plane Train to Concourse C, where Southwest gates are located.
Atlanta’s airport is split into two main terminal areas:
Even if you’re connecting from Southwest to an international airline (or vice versa), your Southwest flight itself will still use the Domestic Terminal / Concourse C.
Here’s how a typical Southwest departure from ATL works:
Head to:
Hartsfield–Jackson Atlanta International Airport
6000 North Terminal Parkway
Atlanta, GA 30320
For Southwest, you’ll want:
Inside the South Terminal, look for:
You can also check in on the Southwest app and go straight to security if you have no checked bags.
From the ticketing hall, follow signs to the main security checkpoints.
Once you clear security, you’ll be in the central Atrium area, which leads to the Plane Train and the underground walkway to the concourses.
From the Atrium:
Once you reach Concourse C:
When your Southwest flight lands in Atlanta, you’ll arrive at Concourse C.
If someone is picking you up, they should follow signs for:
Here’s a simple summary you can skim or screenshot:
| Question | Answer |
|---|---|
| What terminal does Southwest use in Atlanta? | Domestic Terminal – South |
| What concourse does Southwest use? | Concourse C |
| Where do I check bags and get my boarding pass? | South Terminal (ticketing/check-in level) |
| Where are Southwest gates after security? | Concourse C, accessed by Plane Train or tunnel |
| Where is baggage claim for Southwest? | Domestic Terminal – South Baggage Claim |
Whether you live in metro Atlanta or are visiting, you have several options to reach the Domestic South Terminal where Southwest operates.
If you’d rather avoid parking or traffic:
This is often the most predictable option if you’re traveling from Downtown, Midtown, Buckhead, or along the Red/Gold line corridor.
If you’re driving:
Allow extra time during morning rush, evening rush, and busy travel seasons (holidays, major Atlanta events).
If using rideshare or taxis:
Many metro Atlanta hotels also run shuttles to the airport; confirm whether they drop at the Domestic Terminal and which side (North or South) so you can get closest to Southwest check-in.
Atlanta is a major connecting hub, so you may be changing planes here.
If both flights are on Southwest:
If you’re switching airlines:
Always confirm your departure gate on:
Gates can change, especially during irregular operations or weather delays, which are fairly common in Atlanta’s stormy seasons.
While Southwest handles flight-related questions, Atlanta’s airport can help with terminal navigation, parking, and general airport services.
Hartsfield–Jackson Atlanta International Airport
Customer Information:
For flight changes, lost baggage on Southwest, EarlyBird Check-In, or fare questions, contact Southwest Airlines directly via their customer service channels or at their counters in the Domestic South Terminal.
Once you know that Southwest = Domestic Terminal (South) + Concourse C at Hartsfield–Jackson, getting in and out of Atlanta becomes much simpler. Just build in enough time for security and the short ride on the Plane Train, and you’ll be in the right place.
