Concourse B at Hartsfield-Jackson Atlanta International Airport is a bustling hub that caters to a wide variety of travelers. What Airlines fly out of Concourse B in Atlanta? With major airlines like Delta, American, and United operating out of this concourse, along with numerous domestic and international destinations, it's a convenient choice for your next journey. Whether you’re traveling for business or pleasure, Concourse B has everything you need to make your travel experience smooth and enjoyable. Safe travels!