Birmingham (BHM) to Houston (IAH): On-Time Performance
Data through May 2026
Birmingham (BHM) to Houston (IAH) is a thinner route than most in this dataset — 141 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 0.39
- last 12 months
- Duration
- 2h 3m
- scheduled
- Distance
- 562 mi
Monthly on-time trend
Best time to fly from BHM to IAH
Aim for departures around 10 a.m. (85% on-time); avoid 4 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 69% | 22 min |
| Tuesday | 80% | 24 min |
| Wednesday | 70% | 32 min |
| Thursday | 72% | 17 min |
| Friday | 62% | 43 min |
| Saturday | 70% | 24 min |
| Sundaybest | 81% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft12%
- Airline operations70%
- National airspace system14%
- Weather4%
Frequently asked questions
- How often are flights from BHM to IAH delayed?
- 28% of BHM–IAH flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 25 minutes.
- What is the best time of day to fly from BHM to IAH?
- Departures around 10 a.m. have the best record (85% on-time), while departures around 4 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BHM to IAH?
- The scheduled BHM–IAH flight time averages 2h 3m over 562 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are BHM to IAH flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What day of the week is most reliable for BHM to IAH?
- Sunday flights have the best record at 81% on-time. Day-of-week differences on this route are meaningful — Friday trails at 62%.
Explore related pages
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Based on 413 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.