Given that Concourse B is dominated by Delta Air Lines, it’s impossible to talk about this terminal without recognizing the airline’s central role in ATL’s operations. What Airlines fly out of Concourse B in Atlanta Delta operates more than 1,000 daily departures from Atlanta, making it a critical player in the airport’s infrastructure. For passengers flying with Delta, Concourse B often serves as a gateway to their domestic connections, and the airline’s streamlined operations in this concourse contribute to the airport’s reputation for efficiency.

Delta's Sky Club lounge in Concourse B is particularly popular with frequent fliers, offering amenities that cater to both leisure and business travelers. For those traveling in business or first class, or those with elite status in Delta’s loyalty program, Concourse B offers a premium experience from start to finish.