The airline hub
Every ATL guide on the airline hub: 4 guides, each answering one question. They include connecting through ATL on Delta: how it works.
How ATL works for the airline that runs its hub here: where it checks in, which concourses it flies from, how its connections move between them and what to do when one goes wrong. Each guide answers one question about flying that airline through ATL.
Connecting through ATL on Delta: how it worksDelta Help Desks sit in five ATL concourses and the Plane Train waits under two minutes. See Delta's desks, Sky Club hours and what's unpublished.
Delta check-in at ATL: Domestic and International Terminals, plus curbsideDelta checks in at both ATL terminals. ATL lists one curbside desk, at the Domestic Terminal. Bag cutoffs and the shuttle between the terminals.
Delta help desks at Atlanta airport: where they are and what to do after a missed connectionDelta help desks sit on Concourses A, B, C, E and F. Delta says rebook in the app or at a kiosk, and ask an airport agent about hotel and meal vouchers.
Delta Sky Clubs at Atlanta airport: which one to use, and who gets inDelta runs eight Sky Clubs at ATL, two on Concourse A. Most travelers can enter 3 hours before departure, and Delta no longer sells single-visit passes.