HOU (Houston) to ATL (Atlanta) flights arrive on time 82% of the time. The most reliable airline on this route is Delta Air Lines at 84%. 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 May 2026.HOU → ATL
HOU (Houston) to ATL (Atlanta)
HOU → ATL on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is on time most of the time. About 82% 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 84% vs Southwest Airlines at 81%.
Airline Comparison
Delta Air Lines leads at 84% on time; Southwest Airlines trails at 81%.
Accurate?
Good to know
Departing from HOU
80% on timeTSA is currently ~23 min. Best time: 4 AM (about 5 min).
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 ~24 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.