United Airlines' home base is Hartsfield-Jackson Atlanta International Airport (ATL). This terminal has a lot of amenities, including check-in counters, self-service kiosks, and United Airlines ATL Terminal Club lounges. Concourse T has a variety of dining options and retail businesses to make your trip better. For a smooth journey, check the departure boards for information about your gate and follow the airport signs to move between your next flight or destination with ease.