DAL (Dallas) to ATL (Atlanta) flights arrive on time 79% of the time. The most reliable airline on this route is Delta Air Lines at 81%. The average delay is 74 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.DAL → ATL
DAL (Dallas) to ATL (Atlanta)
DAL → ATL on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Delta Air Lines leads slightly at 81% vs Southwest Airlines at 77%.
Airline Comparison
Delta Air Lines leads at 81% on time; Southwest Airlines trails at 77%.
Accurate?
Good to know
Departing from DAL
78% on timeTSA is currently ~26 min. Best time: 4 AM (about 5 min).
Arriving at ATL
81% on timeWhen flights into ATL are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~27 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Flying out of DAL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.