ATL Atlanta
Hartsfield-Jackson Atlanta International
Best time through security: 4 AM (about 5 min)
Most reliable airline here: Endeavor Air (87% on time)
Why delays happen: The most common reason for departure delays here is the airline (crew, maintenance, or boarding).
Get a pre-flight briefing for ATL
Delay risk, TSA wait, and weather — emailed before your flight. Free.
Common questions about ATL
Are there delays at ATL right now?
No active delays at ATL right now. Historically, ATL runs on time 81% of the time.
How long is TSA at ATL?
Estimated wait right now: very quiet — expect minimal lines at this hour. Fastest time: 4 AM (about 5 min). Busiest: 8 AM (31-37 minutes).
What usually causes delays at ATL?
The most common reason for departure delays here is the airline (crew, maintenance, or boarding). About 1.3% of flights get cancelled.
How long of a connection do I need?
ATL is fairly reliable — 60 minutes is usually fine for domestic, 90 minutes for international.