Philadelphia (PHL) to Portland (PWM): On-Time Performance
Data through May 2026
The biggest risk when flying PHL to PWM isn't a late arrival — it's not departing at all. 3% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 74% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 86% of the time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 3.0%
- Flights/day
- 2.1
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 364 mi
Best airline from PHL to PWM
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 6 min | 0.0% | 73 |
| PSA Airlines | 78% | 18 min | 4.5% | 466 |
| American Airlines | 73% | 24 min | 2.3% | 1,155 |
Monthly on-time trend
Best time to fly from PHL to PWM
Aim for departures around 9 a.m. (90% on-time); avoid 7 p.m. departures (62%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 23 min |
| Tuesday | 80% | 17 min |
| Wednesdaybest | 80% | 15 min |
| Thursday | 67% | 27 min |
| Friday | 72% | 22 min |
| Saturday | 72% | 26 min |
| Sunday | 72% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations36%
- National airspace system12%
- Weather4%
Frequently asked questions
- How often are flights from PHL to PWM delayed?
- 26% of PHL–PWM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from PHL to PWM?
- Republic Airways has the best on-time record on this route at 86%, based on 73 flights. 3 airlines flew PHL–PWM frequently enough to compare in this period.
- What is the best time of day to fly from PHL to PWM?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 7 p.m. have the worst (62%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to PWM?
- The scheduled PHL–PWM flight time averages 1h 30m over 364 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are PHL to PWM flights cancelled?
- 3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from PHL to PWM?
- August 2024 was the roughest month in this dataset, with only 52% of arrivals on time. The best was April 2026 at 91%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 1,734 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.