Hartsfield-Jackson Atlanta International Airport (ATL) is recognized as the busiest airport in the world, handling over 100 million passengers annually. As the primary hub for domestic and international flights in the southeastern United States, it plays a pivotal role in connecting travelers to destinations across the globe. One of the key areas within ATL is Concourse B, which is home to several domestic airlines and offers a variety of amenities to enhance the travel experience. In this guide, we’ll explore the airlines that operate from Concourse B and offer valuable tips to help make your journey smoother.