Developer's DescriptionBy SinecloudAtlanta Airport (ATL) Airport Information...Atlanta Airport (ATL)- Airport Information- Flight tracker- Live Arrival and Departure boards- World Clock :Add clocks for any city in the world.Hartsfield Jackson Atlanta International Airport (ATL) is the largest airport in the United States and the world. It is the major hub for Delta Airlines. Atlanta Airport has a Domestic and International Terminal. The airport is about 7 miles south of downtown and has its own train station (part of MARTA).