Newark (EWR) to Portland (PWM): On-Time Performance
Data through July 2026
Delays are only half the story on EWR–PWM: 3.5% 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, 81% land on time, no worse than the national average of 78%. Republic Airways has been the safer pick, arriving on time 86% of the time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 3.5%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 27m
- scheduled
- Distance
- 284 mi
Best airline from EWR to PWM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 9 min | 3.7% | 1,693 |
| United Airlines | 60% | 35 min | 2.9% | 450 |
Monthly on-time trend
Best time to fly from EWR to PWM
Aim for departures around 7 a.m. (95% on-time); avoid 10 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 18 min |
| Tuesdaybest | 86% | 9 min |
| Wednesday | 84% | 11 min |
| Thursday | 78% | 18 min |
| Friday | 78% | 16 min |
| Saturday | 80% | 17 min |
| Sunday | 80% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations28%
- National airspace system18%
- Weather2%
Frequently asked questions
- How often are flights from EWR to PWM delayed?
- 20% of EWR–PWM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from EWR to PWM?
- Republic Airways has the best on-time record on this route at 86%, based on 1,693 flights. 2 airlines flew EWR–PWM frequently enough to compare in this period.
- What is the best time of day to fly from EWR to PWM?
- Departures around 7 a.m. have the best record (95% on-time), while departures around 10 p.m. have the worst (53%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from EWR to PWM?
- The scheduled EWR–PWM flight time averages 1h 27m over 284 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are EWR to PWM flights cancelled?
- 3.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from EWR to PWM?
- December 2025 was the roughest month in this dataset, with only 57% of arrivals on time. The best was May 2026 at 91%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 2,143 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.