HOU to BHM flight delays & on-time performance
Nonstop flights from William P. Hobby Airport to Birmingham-Shuttlesworth International Airport · 570 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HOU or BHM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (HOU) to Birmingham (BHM) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.4% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 11am did best (91% on time); around 8pm did worst (40%).
- Tuesday was the most reliable day to fly (88% on time) and Thursday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (52%).
Which airline is most on time from HOU to BHM?
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 76% | 0.4% | 13 min | 5.2% | 448 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am89%125 flights
- 11am91%93 flights
- 1pm61%33 flights
- 2pm63%51 flights
- 3pm59%39 flights
- 4pm57%14 flights
- 5pm91%11 flights
- 6pm86%21 flights
- 7pm64%11 flights
- 8pm40%30 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%0.0% cancelled
- Tuesday88%0.0% cancelled
- Wednesday77%0.0% cancelled
- Thursday69%0.0% cancelled
- Friday77%0.0% cancelled
- Saturday76%1.2% cancelled
- Sunday73%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion10%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
HOU to BHM: common questions
- How often are HOU to BHM flights on time?
- 76% 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 Houston to Birmingham cancelled?
- 0.4% of scheduled flights were cancelled (2 of 448).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 46 min behind schedule on average, and 5.2% of flights were an hour or more late.
- How long is taxi time at HOU?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BHM to HOU — 84% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HOU → BHM, nonstop flights by US airlines that report to the DOT. How we calculate this.