Philadelphia (PHL) to Birmingham (BHM): On-Time Performance
Data through May 2026
When you fly PHL to BHM matters as much as anything else about the booking: the route swung from 93% on-time in November 2024 to just 60% in May 2025. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 68%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 1.5
- last 12 months
- Duration
- 2h 31m
- scheduled
- Distance
- 772 mi
Monthly on-time trend
Best time to fly from PHL to BHM
Aim for departures around 11 a.m. (86% on-time); avoid 5 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 21 min |
| Tuesdaybest | 81% | 17 min |
| Wednesday | 81% | 19 min |
| Thursday | 76% | 21 min |
| Friday | 72% | 23 min |
| Saturday | 78% | 23 min |
| Sunday | 78% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations30%
- National airspace system16%
- Weather10%
Frequently asked questions
- How often are flights from PHL to BHM delayed?
- 23% of PHL–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 22 minutes.
- What is the best time of day to fly from PHL to BHM?
- Departures around 11 a.m. have the best record (86% on-time), while departures around 5 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to BHM?
- The scheduled PHL–BHM flight time averages 2h 31m over 772 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are PHL to BHM flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from PHL to BHM?
- May 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was November 2024 at 93%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 1,090 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.