Delta Air Lines is the primary carrier operating out of Concourse B. As ATL’s largest and dominant airline, Delta serves numerous domestic flights from this terminal. If you’re flying Delta, chances are high that you’ll be departing from Concourse B, although always confirm your gate ahead of time.
Other Airlines
While Delta occupies most of Concourse B’s gates, there could occasionally be exceptions where other airlines use this concourse. However, this is less common since Delta has such a significant presence at the airport.