QUICK ANSWER
Stay airside and use Plane Train for concourse movement.
01
Longer layover
A city trip can be possible, but subtract deplaning, any entry formalities, MARTA/road travel and return security.
02
International arrival
If your itinerary requires U.S. entry and baggage reclaim, budget those steps before considering a city exit.
03
Return plan
Know whether you need Domestic or International curb access before heading back.
Frequently asked questions
Can I leave ATL on a long layover?
Potentially, if you have enough time after all airport processes and a large return buffer.
What is the fastest way between ATL concourses?
Plane Train is the primary airside people mover.
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Sources and verification
Time-sensitive airport, airline, visa, security and transport details should always be confirmed with the relevant official source before travel.