Is a 1¼ hr layover in Atlanta long enough?
Yes, 1 hour 15 min is probably enough for a layover at ATL (Atlanta).
Is 1 hour 15 min enough for a layover at The William B Hartsfield Atlanta International (ATL)?
Plenty of time for any domestic routing. You can walk between concourses instead of riding the Plane Train if you prefer.
What is the minimum connection time at ATL?
Minimum connection times at The William B Hartsfield Atlanta International: Domestic-to-Domestic is 35 minutes, International-to-International is 90 minutes. These are the shortest layovers airlines will sell.
Can I make a 1 hour 15 min connection at ATL on an international flight?
1 hour 15 min is below the 90-minute international MCT at The William B Hartsfield Atlanta International. You may need to rush and could miss your connection. The Plane Train automated people mover runs underground between all seven concourses, departing every 1–2 minutes. A full end-to-end ride takes about 10 minutes. Walking between adjacent concourses takes roughly 10 minutes via the underground walkway. International arrivals in Concourse F must clear U.S. customs and immigration before connecting to any other concourse — there is no sterile transit option.
How much time do I need for a layover at ATL?
We recommend at least 1 hour for a comfortable connection at The William B Hartsfield Atlanta International. This gives you enough buffer for security (typically 10 minutes) and transit between terminals (up to 15 minutes).
What happens if I miss my connection at ATL?
Delta has service desks in every concourse. For same-day rebooking, use the Fly Delta app — it's faster than waiting in line. Southwest and other carriers operate from specific concourses with their own rebooking desks.