Route Reliability
Philadelphia → Rochester
PHL–ROC · 257 miles · Philadelphia International Airport to Frederick Douglass Greater Rochester International Airport
- 82%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.9%
- Cancelled
- 1,275
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 82% of the time across 1,275 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
PHL–ROC flights departing between 12–3 PM arrived on time 84% of the time, versus 73% between 3–6 PM.
Sunday scaries are real for this one.
PHL–ROC flights arrived on time 86% of the time on Tuesdays. On Sundays: 75%.
Ticking up lately.
PHL–ROC flights arrived on time 85% of the time over the last three months in the data, compared with 82% 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
- Mon83%(181 flights)
- Tue86%(172 flights)
- Wed85%(180 flights)
- Thu83%(185 flights)
- Fri81%(185 flights)
- Sat85%(156 flights)
- Sun75%(187 flights)
- 6–9 AM83%(23 flights)
- 9 AM–12 PM84%(325 flights)
- 12–3 PM84%(347 flights)
- 3–6 PM73%(137 flights)
- 6–9 PM83%(160 flights)
- 9 PM–12 AM82%(254 flights)
Jun 68% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 101 |
| July 2025 | 73% | 111 |
| August 2025 | 86% | 132 |
| September 2025 | 91% | 100 |
| October 2025 | 83% | 114 |
| November 2025 | 84% | 86 |
| December 2025 | 76% | 88 |
| January 2026 | 81% | 85 |
| February 2026 | 87% | 78 |
| March 2026 | 80% | 111 |
| April 2026 | 88% | 118 |
| May 2026 | 87% | 122 |
Keep nerding
Based on 1,275 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.