BHM to IAH flight delays & on-time performance
Nonstop flights from Birmingham-Shuttlesworth International Airport to George Bush Intercontinental Airport · 562 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BHM or IAH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Birmingham (BHM) to Houston (IAH) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (88% on time); around 3pm did worst (75%).
- Wednesday was the most reliable day to fly (100% on time) and Monday the least (71%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (62%).
Which airline is most on time from BHM to IAH?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 80% | 0.0% | 9 min | 4.4% | 91 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am88%33 flights
- 2pm76%25 flights
- 3pm75%32 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.0% cancelled
- Tuesday72%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday91%0.0% cancelled
- Friday75%0.0% cancelled
- Saturday73%0.0% cancelled
- Sunday83%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)62%
- Late-arriving aircraft31%
- Air traffic control & airport congestion7%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
BHM to IAH: common questions
- How often are BHM to IAH flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Birmingham to Houston cancelled?
- 0.0% of scheduled flights were cancelled (0 of 91).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 43 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at BHM?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAH to BHM — 80% on time
More flights from Birmingham
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BHM → IAH, nonstop flights by US airlines that report to the DOT. How we calculate this.