IAH (Houston) to BHM (Birmingham) flights arrive on time 73% of the time. The most reliable airline on this route is SkyWest Airlines at 74%. The average delay is 72 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.IAH → BHM
IAH (Houston) to BHM (Birmingham)
IAH → BHM on-time performance by month
24
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26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is delayed fairly often. About 73% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from IAH
79% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. IAH has long runway queues.
TSA is currently ~10 min. Best time: 4 AM (about 5 min).
Arriving at BHM
80% on timeWhen flights into BHM are late, the average delay is 73 minutes. Build buffer if you have ground plans.
If connecting at BHM: TSA is ~18 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what SkyWest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of IAH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated August 2026. Source: Bureau of Transportation Statistics.