Houston (HOU) to Birmingham (BHM): On-Time Performance
Data through July 2026
The calendar drives reliability on HOU–BHM. November 2024 flights landed on schedule 97% of the time, but March 2026 dropped to 44% — a gap of 53 points. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 69%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 1.2
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 570 mi
Monthly on-time trend
Best time to fly from HOU to BHM
Aim for departures around 11 a.m. (89% on-time); avoid 8 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 17 min |
| Tuesdaybest | 89% | 10 min |
| Wednesday | 78% | 14 min |
| Thursday | 77% | 14 min |
| Friday | 78% | 10 min |
| Saturday | 79% | 13 min |
| Sunday | 76% | 13 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft54%
- Airline operations32%
- National airspace system8%
- Weather6%
Frequently asked questions
- How often are flights from HOU to BHM delayed?
- 22% of HOU–BHM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from HOU to BHM?
- Departures around 11 a.m. have the best record (89% on-time), while departures around 8 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HOU to BHM?
- The scheduled HOU–BHM flight time averages 1h 40m over 570 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are HOU to BHM flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from HOU to BHM?
- March 2026 was the roughest month in this dataset, with only 44% of arrivals on time. The best was November 2024 at 97%. If your dates are flexible, that 53-point gap is worth planning around.
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Based on 953 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.