Portland (PWM) to Newark (EWR): On-Time Performance
Data through May 2026
Delays are only half the story on PWM–EWR: 3.7% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 82% land on time, no worse than the national average of 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 3.7%
- Flights/day
- 2.9
- last 12 months
- Duration
- 1h 39m
- scheduled
- Distance
- 284 mi
Best airline from PWM to EWR
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 86% | 13 min | 2.8% | 463 |
| Republic Airways | 81% | 16 min | 3.9% | 1,665 |
Monthly on-time trend
Best time to fly from PWM to EWR
Aim for departures around 8 a.m. (96% on-time); avoid 5 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 17 min |
| Tuesdaybest | 89% | 10 min |
| Wednesday | 87% | 12 min |
| Thursday | 80% | 15 min |
| Friday | 83% | 16 min |
| Saturday | 80% | 17 min |
| Sunday | 80% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations19%
- National airspace system49%
- Weather9%
Frequently asked questions
- How often are flights from PWM to EWR delayed?
- 18% of PWM–EWR 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 15 minutes.
- Which airline is most reliable from PWM to EWR?
- United Airlines has the best on-time record on this route at 86%, based on 463 flights. 2 airlines flew PWM–EWR frequently enough to compare in this period.
- What is the best time of day to fly from PWM to EWR?
- Departures around 8 a.m. have the best record (96% on-time), while departures around 5 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PWM to EWR?
- The scheduled PWM–EWR flight time averages 1h 39m over 284 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are PWM to EWR flights cancelled?
- 3.7% 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 PWM to EWR?
- November 2024 was the roughest month in this dataset, with only 74% of arrivals on time. The best was February 2026 at 96%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 2,128 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.