What Terminal is Southwest at ATL? If you’re flying Southwest at Atlanta's Hartsfield-Jackson Airport, you’ll be delighted to know their terminal is incredibly efficient and traveler-friendly, Southwest operates out of Terminal North (T), and it’s designed to make your travel experience as smooth as possible. From the clear signage to the friendly staff, it’s all about ease and comfor... https://airlinesairportsterminals.com/southwest-airlines/atl-terminal-hartsfield-jackson-atlanta-international-airport/