PWM to PHL flight delays & on-time performance
Nonstop flights from Portland International Jetport to Philadelphia International Airport · 364 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to Philadelphia (PHL) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.4% were cancelled, and 7% arrived an hour or more late.
- PSA Airlines was the most punctual airline here (80% on time); American Airlines was the least (79%).
- Departures scheduled around 8am did best (94% on time); around 4pm did worst (47%).
- Tuesday was the most reliable day to fly (89% on time) and Sunday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (53%).
Which airline is most on time from PWM to PHL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 100% | 0.0% | 0 min | 0.0% | 1 |
| PSA AirlinesRegional airline operating American Eagle flights. | 80% | 9.4% | 32 min | 12.9% | 181 |
| American Airlines | 79% | 1.2% | 18 min | 4.9% | 494 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am68%22 flights
- 6am90%174 flights
- 7am77%62 flights
- 8am94%97 flights
- 12pm84%122 flights
- 1pm65%26 flights
- 2pm79%39 flights
- 3pm63%67 flights
- 4pm47%48 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%6.2% cancelled
- Tuesday89%5.0% cancelled
- Wednesday77%1.2% cancelled
- Thursday76%4.0% cancelled
- Friday83%1.0% cancelled
- Saturday83%1.0% cancelled
- Sunday73%5.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)53%
- Late-arriving aircraft33%
- Air traffic control & airport congestion14%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather74%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion9%
- Security0%
PWM to PHL: common questions
- How often are PWM to PHL flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Portland to Philadelphia cancelled?
- 3.4% of scheduled flights were cancelled (23 of 676).
- How long are typical delays?
- Across all flights the average arrival delay was 22 min (early arrivals count as zero). Flights that were late arrived 102 min behind schedule on average, and 6.9% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to PWM — 77% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.