Check-in for Alaska, American, Avelo, Delta, Denver Air Connection, Frontier, JetBlue, Southwest, Sun Country and United, with domestic baggage claim and ride share. MARTA's Airport Station is inside it, between the North and South Baggage Claims, and the Plane Train and the Transportation Mall walkway start here for the concourses. A free shuttle runs to the International Terminal, and the SkyTrain to the Rental Car Center leaves from its West end.
Delta check-in and security on the departures level; international baggage claim, currency exchange, Global Entry, taxis and hotel and parking shuttles on the arrivals level. A free shuttle runs to the Domestic Terminal.
At 2200 Rental Car Center Parkway, one SkyTrain ride from the airport: walk out of the West end of the Domestic Terminal under the covered walkway and take the escalator up to the SkyTrain station. From the International Terminal, take the free shuttle on the Arrivals level to the Domestic Terminal first. Rental companies: ACE, Advantage, Alamo, Avis, Budget, Dollar, Enterprise, Hertz, National, Payless, Sixt and Thrifty.