Buffalo (BUF) to Philadelphia (PHL): On-Time Performance
Data through July 2026
Buffalo (BUF) to Philadelphia (PHL) is a thinner route than most in this dataset — 263 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 80% arrived on time. Cancellations are the bigger caveat: 3.1% of scheduled flights never departed.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 0.72
- last 12 months
- Duration
- 1h 21m
- scheduled
- Distance
- 279 mi
Best airline from BUF to PHL
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 85% | 16 min | 2.2% | 135 |
| American Airlines | 84% | 10 min | 3.8% | 158 |
| PSA Airlines | 75% | 31 min | 2.6% | 311 |
Monthly on-time trend
Best time to fly from BUF to PHL
Aim for departures around 10 a.m. (92% on-time); avoid 12 p.m. departures (74%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 24 min |
| Tuesday | 80% | 29 min |
| Wednesdaybest | 88% | 17 min |
| Thursday | 79% | 20 min |
| Friday | 74% | 20 min |
| Saturday | 79% | 32 min |
| Sunday | 83% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations49%
- National airspace system12%
- Weather4%
Frequently asked questions
- How often are flights from BUF to PHL delayed?
- 21% of BUF–PHL 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 22 minutes.
- Which airline is most reliable from BUF to PHL?
- Republic Airways has the best on-time record on this route at 85%, based on 135 flights. 3 airlines flew BUF–PHL frequently enough to compare in this period.
- What is the best time of day to fly from BUF to PHL?
- Departures around 10 a.m. have the best record (92% on-time), while departures around 12 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BUF to PHL?
- The scheduled BUF–PHL flight time averages 1h 21m over 279 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BUF to PHL flights cancelled?
- 3.1% 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 BUF to PHL?
- December 2025 was the roughest month in this dataset, with only 56% of arrivals on time. The best was October 2024 at 97%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 619 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.