Route Reliability
Buffalo → Philadelphia
BUF–PHL · 279 miles · Buffalo Niagara International Airport to Philadelphia International Airport
- 79%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.3%
- Cancelled
- 1,346
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,346 flights. No comparison to make.
What the data says
Morning flights do better here.
BUF–PHL flights departing between 6–9 AM arrived on time 85% of the time, versus 71% between 3–6 PM.
Monday is the weak spot.
BUF–PHL flights arrived on time 83% of the time on Fridays. On Mondays: 74%.
Trending in the right direction.
BUF–PHL flights arrived on time 86% of the time over the last three months in the data, compared with 71% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon74%(186 flights)
- Tue79%(183 flights)
- Wed81%(189 flights)
- Thu76%(191 flights)
- Fri83%(195 flights)
- Sat82%(176 flights)
- Sun76%(192 flights)
- 3–6 AM82%(136 flights)
- 6–9 AM85%(350 flights)
- 9 AM–12 PM79%(319 flights)
- 12–3 PM81%(112 flights)
- 3–6 PM71%(325 flights)
- 6–9 PM73%(70 flights)
Jun 70% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 108 |
| July 2025 | 72% | 117 |
| August 2025 | 83% | 169 |
| September 2025 | 89% | 139 |
| October 2025 | 77% | 146 |
| November 2025 | 72% | 92 |
| December 2025 | 61% | 88 |
| January 2026 | 72% | 86 |
| February 2026 | 80% | 79 |
| March 2026 | 81% | 91 |
| April 2026 | 90% | 89 |
| May 2026 | 87% | 108 |
Keep nerding
Based on 1,346 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.