Philadelphia (PHL) to Buffalo (BUF): On-Time Performance
Data through July 2026
Philadelphia (PHL) to Buffalo (BUF) is a thinner route than most in this dataset — 261 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 69% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 5.5% of scheduled flights never departed.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 5.5%
- Flights/day
- 0.72
- last 12 months
- Duration
- 1h 24m
- scheduled
- Distance
- 279 mi
Best airline from PHL to BUF
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 77% | 24 min | 4.4% | 135 |
| American Airlines | 70% | 14 min | 3.8% | 158 |
| PSA Airlines | 65% | 36 min | 6.4% | 311 |
Monthly on-time trend
Best time to fly from PHL to BUF
Aim for departures around 8 a.m. (91% on-time); avoid 6 p.m. departures (47%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 20 min |
| Tuesdaybest | 79% | 27 min |
| Wednesday | 74% | 29 min |
| Thursday | 71% | 26 min |
| Friday | 62% | 34 min |
| Saturday | 62% | 25 min |
| Sunday | 68% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations25%
- National airspace system13%
- Weather10%
Frequently asked questions
- How often are flights from PHL to BUF delayed?
- 31% of PHL–BUF 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 27 minutes.
- Which airline is most reliable from PHL to BUF?
- Republic Airways has the best on-time record on this route at 77%, based on 135 flights. 3 airlines flew PHL–BUF frequently enough to compare in this period.
- What is the best time of day to fly from PHL to BUF?
- Departures around 8 a.m. have the best record (91% on-time), while departures around 6 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 BUF?
- The scheduled PHL–BUF flight time averages 1h 24m over 279 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are PHL to BUF flights cancelled?
- 5.5% 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 BUF?
- June 2025 was the roughest month in this dataset, with only 38% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 53-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.