Route Reliability
Portland → Philadelphia
PWM–PHL · 364 miles · Portland International Jetport to Philadelphia International Airport
- 81%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 2.7%
- Cancelled
- 1,309
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 81% of the time across 1,309 flights. No comparison to make.
What the data says
Morning-you made the right choice.
PWM–PHL flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 69% between 3–6 PM.
Sunday scaries are real for this one.
PWM–PHL flights arrived on time 86% of the time on Wednesdays. On Sundays: 76%.
Trending in the right direction.
PWM–PHL flights arrived on time 87% of the time over the last three months in the data, compared with 78% 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
- Mon77%(180 flights)
- Tue83%(179 flights)
- Wed86%(177 flights)
- Thu78%(180 flights)
- Fri81%(186 flights)
- Sat84%(180 flights)
- Sun76%(188 flights)
- 3–6 AM75%(47 flights)
- 6–9 AM89%(444 flights)
- 9 AM–12 PM93%(69 flights)
- 12–3 PM78%(291 flights)
- 3–6 PM69%(259 flights)
- 6–9 PM80%(160 flights)
Jun 74% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 115 |
| July 2025 | 70% | 123 |
| August 2025 | 79% | 121 |
| September 2025 | 87% | 102 |
| October 2025 | 74% | 112 |
| November 2025 | 85% | 116 |
| December 2025 | 71% | 92 |
| January 2026 | 80% | 83 |
| February 2026 | 83% | 78 |
| March 2026 | 76% | 87 |
| April 2026 | 94% | 113 |
| May 2026 | 92% | 128 |
Keep nerding
Based on 1,309 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.