FlightRecord

Portland (PWM) to Newark (EWR): On-Time Performance

Data through July 2026

Delays are only half the story on PWM–EWR: 3.8% 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
17 min
completed flights
Cancelled
3.8%
Flights/day
3.0
last 12 months
Duration
1h 39m
scheduled
Distance
284 mi

Best airline from PWM to EWR

2 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
United Airlinesmost reliable86%14 min2.7%440
Republic Airways81%17 min4.1%1,797

Monthly on-time trend

Monthly on-time percentage for PWM to EWR flights50%75%100%August 2024: 81% on-time (132 flights)81Aug 2024September 2024: 86% on-time (140 flights)86October 2024: 84% on-time (115 flights)84November 2024: 74% on-time (89 flights)74Nov 2024December 2024: 82% on-time (91 flights)82January 2025: 91% on-time (68 flights)91February 2025: 81% on-time (70 flights)81Feb 2025March 2025: 83% on-time (64 flights)83April 2025: 90% on-time (30 flights)90May 2025: 76% on-time (51 flights)76May 2025June 2025: 78% on-time (70 flights)78July 2025: 77% on-time (123 flights)77August 2025: 83% on-time (122 flights)83Aug 2025September 2025: 86% on-time (116 flights)86October 2025: 81% on-time (135 flights)81November 2025: 85% on-time (81 flights)85Nov 2025December 2025: 78% on-time (77 flights)78January 2026: 82% on-time (77 flights)82February 2026: 96% on-time (61 flights)96Feb 2026March 2026: 78% on-time (77 flights)78April 2026: 100% on-time (6 flights)100May 2026: 92% on-time (113 flights)92May 2026June 2026: 79% on-time (107 flights)79July 2026: 79% on-time (110 flights)79

Best time to fly from PWM to EWR

Aim for departures around 8 a.m. (96% on-time); avoid 5 p.m. departures (63%).

On-time percentage by scheduled departure hour, PWM to EWR6 a.m.: 87% on-time (701 flights)67 a.m.: 78% on-time (62 flights)78 a.m.: 96% on-time (119 flights)810 a.m.: 80% on-time (245 flights)1011 a.m.: 87% on-time (283 flights)1112 p.m.: 67% on-time (51 flights)122 p.m.: 73% on-time (25 flights)143 p.m.: 77% on-time (428 flights)154 p.m.: 76% on-time (129 flights)165 p.m.: 63% on-time (42 flights)177 p.m.: 83% on-time (48 flights)198 p.m.: 73% on-time (71 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%18 min
Tuesdaybest89%12 min
Wednesday87%15 min
Thursday81%14 min
Friday83%19 min
Saturday79%18 min
Sunday78%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 aircraft25%
  • Airline operations20%
  • National airspace system50%
  • Weather6%

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 2024-07 and 2026-07. The average arrival delay across completed flights was 17 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 440 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?
3.8% 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 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.

Based on 2,237 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.