Flights Houston → Birmingham
IAH → BHM
Route overview
The flight route from Houston to Birmingham has a high on-time performance rate of 87%, with an average delay of just 3.6 minutes per flight. Over the course of a year, this route sees 367 flights, serving a significant number of passengers at the destination airport, which handles approximately 2,653,207 travelers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Houston (IAH) → Birmingham (BHM) route is operated by United Airlines. Across 468 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 6 minutes. The cancellation rate is 2.56%. FlightGuard's average computed risk is 26.8/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Birmingham the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Birmingham: what to expect in this direction
Flying from Houston (IAH) to Birmingham (BHM) heads north-east for about 904 km, a flight time of roughly 1h 33m.
Departures from Houston on this leg cluster in the morning window: about 45% of IAH-BHM flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Birmingham it is 2.0 min (atfm).
Across 468 tracked IAH-BHM flights, 85% left on time with an average delay of 6 min and a 2.6% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating IAH-BHM
Airports
Frequently asked questions about IAH-BHM
On the Houston (IAH) -> Birmingham (BHM) route, on-time performance is 85% with an average delay of 6 minutes, based on 468 tracked flights.
The cancellation rate on Houston-Birmingham is 2.56% across 468 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Birmingham, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
