Terminals · ATL
What terminal is Southwest at ATL?
Southwest departs from the Domestic Terminal at Hartsfield–Jackson Atlanta International Airport (ATL). We verified this against the airport's own sources on June 17, 2026 — airlines do move terminals, so we date every check.
Domestic
ATL TSA wait times todayLive security waits by checkpoint, so you know when to leave for the Domestic Terminal.What terminal is Southwest at ATL?
Southwest departs from the Domestic Terminal at Hartsfield–Jackson Atlanta International Airport (ATL). Concourse C (south side) — Southwest's ATL operating base. Verified June 17, 2026.
Where does Southwest check in at ATL?
Domestic Terminal North check-in hall. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Did Southwest move terminals at ATL?
Not that we've found. We confirmed Southwest departs from the Domestic Terminal at ATL as of June 17, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Not sure which building that is? See all ATL terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's ATL security wait, your drive, and the walk to your gate — so you leave with room to breathe.