Baltimore (BWI) to Birmingham (BHM): On-Time Performance
Data through May 2026
Baltimore (BWI) to Birmingham (BHM) is a thinner route than most in this dataset — 345 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 78% arrived on time.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 0.95
- last 12 months
- Duration
- 2h 7m
- scheduled
- Distance
- 682 mi
Monthly on-time trend
Best time to fly from BWI to BHM
Aim for departures around 10 a.m. (92% on-time); avoid 2 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 20 min |
| Tuesday | 85% | 9 min |
| Wednesdaybest | 86% | 8 min |
| Thursday | 74% | 15 min |
| Friday | 74% | 18 min |
| Saturday | 80% | 7 min |
| Sunday | 76% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations40%
- National airspace system19%
- Weather5%
Frequently asked questions
- How often are flights from BWI to BHM delayed?
- 22% of BWI–BHM 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 13 minutes.
- What is the best time of day to fly from BWI to BHM?
- Departures around 10 a.m. have the best record (92% on-time), while departures around 2 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to BHM?
- The scheduled BWI–BHM flight time averages 2h 7m over 682 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are BWI to BHM flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BWI to BHM?
- July 2024 was the roughest month in this dataset, with only 36% of arrivals on time. The best was May 2025 at 96%. If your dates are flexible, that 61-point gap is worth planning around.
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Based on 672 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.