EWR to PWM flight delays & on-time performance
Nonstop flights from Newark Liberty International Airport to Portland International Jetport · 284 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EWR or PWM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Newark (EWR) to Portland (PWM) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.9% were cancelled, and 7% arrived an hour or more late.
- Republic Airways was the most punctual airline here (87% on time); United Airlines was the least (61%).
- Departures scheduled around 7am did best (97% on time); around 5pm did worst (68%).
- Tuesday was the most reliable day to fly (89% on time) and Saturday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (56%).
Which airline is most on time from EWR to PWM?
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. | 87% | 4.0% | 9 min | 5.4% | 855 |
| United Airlines | 61% | 3.2% | 32 min | 14.9% | 125 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am97%147 flights
- 8am89%18 flights
- 9am89%20 flights
- 11am94%115 flights
- 12pm85%52 flights
- 3pm92%26 flights
- 4pm82%209 flights
- 5pm68%63 flights
- 9pm76%321 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%6.9% cancelled
- Tuesday89%4.3% cancelled
- Wednesday82%3.5% cancelled
- Thursday85%2.7% cancelled
- Friday84%1.3% cancelled
- Saturday80%2.8% cancelled
- Sunday80%5.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft56%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion21%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather66%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)8%
- Security0%
EWR to PWM: common questions
- How often are EWR to PWM flights on time?
- 83% 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 Newark to Portland cancelled?
- 3.9% of scheduled flights were cancelled (38 of 980).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 6.6% of flights were an hour or more late.
- How long is taxi time at EWR?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PWM to EWR — 83% on time
More flights from Newark
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EWR → PWM, nonstop flights by US airlines that report to the DOT. How we calculate this.