DAL (Dallas) to ATL (Atlanta) flights arrive on time 80% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 77 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.DAL → ATL
DAL (Dallas) to ATL (Atlanta)
DAL → ATL on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines edges out Southwest Airlines on this route — 83% vs 77% on time.
Airline Comparison
Delta Air Lines leads at 83% on time; Southwest Airlines trails at 77%.
Accurate?
Good to know
Departing from DAL
78% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
DAL cancels 2.1% of flights — higher than average. Have a backup plan.
Arriving at ATL
83% on timeWhen flights into ATL are late, the average delay is 68 minutes. Build buffer if you have ground plans.
If connecting at ATL: TSA is ~5 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.
Free flight briefing
Know before you go
Flying DAL → ATL? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.