Philadelphia (PHL) to Birmingham (BHM): On-Time Performance
Data through July 2026
The biggest risk when flying PHL to BHM isn't a late arrival — it's not departing at all. 3% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 76% land on time, below the national average of 78%.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 3.0%
- 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 8 p.m. departures (47%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 28 min |
| Tuesday | 79% | 19 min |
| Wednesdaybest | 80% | 15 min |
| Thursday | 73% | 23 min |
| Friday | 70% | 24 min |
| Saturday | 75% | 23 min |
| Sunday | 77% | 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 aircraft43%
- Airline operations33%
- National airspace system15%
- Weather9%
Frequently asked questions
- How often are flights from PHL to BHM delayed?
- 25% of PHL–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 23 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 8 p.m. have the worst (47%). 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 25% of the time.
- How often are PHL to BHM flights cancelled?
- 3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- 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 1,159 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.