PlainFlights

Route · EWR → PWM · 2020–2025 BTS data

Newark to Portland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), EWR to PWM (Newark to Portland) ranks #2309 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.2%
On-time
+2.2 pts
vs US avg
75 min
Delay when late
5,419
Flights
#2309 of 4927
Corpus placement

Cancelled

3.0%

Best Month

Sep 2024 90%

Worst Month

Nov 2025 65%

Distance

284 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 47 20 1 0 YX,UA
Nov 2025 54 19 1 0 UA,YX
Oct 2025 129 19 0 0 UA,YX
Sep 2025 117 15 2 0 YX
Aug 2025 122 21 2 0 YX,UA
Jul 2025 123 31 14 1 UA,YX
Jun 2025 70 21 1 0 UA,YX
May 2025 55 19 3 0 UA,YX
Apr 2025 30 12 0 0 UA
Mar 2025 64 9 0 0 YX,UA
Feb 2025 70 12 1 0 UA,YX
Jan 2025 68 10 1 0 YX,UA
Dec 2024 91 28 1 0 UA,YX
Nov 2024 89 24 0 0 YX,UA
Oct 2024 115 15 0 0 UA,YX
Sep 2024 140 14 1 1 YX,UA
Aug 2024 133 16 13 0 YX,UA
Jul 2024 115 32 2 0 UA,YX
Jun 2024 108 18 7 0 UA,YX
May 2024 73 15 1 0 YX,UA
Apr 2024 30 12 1 0 UA
Mar 2024 31 3 1 0 UA
Jan 2024 39 7 6 0 YX,UA
Dec 2023 75 9 0 1 UA,YX

EWR–PWM seasonal on-time pattern

Best: October (87.6%) · weakest: July (74.9%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.7%

Strongest calendar month

October

87.6% on-time · ~104 flights/mo

Busiest calendar month

July

~111 flights/mo avg

Weakest calendar month

July

74.9% on-time · ~111 flights/mo

Cancellation Rate

3.0%

59 of 1,988 flights

Diversion Rate

0.2%

3 of 1,988 flights

Origin-hub reliability standing

Mid-pack among EWR departures

From EWR, this corridor sits with 60 other 75–85% on-time routes out of 74 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 9 below 75%). Destination: Portland · fleet on-time rank #2647 of 4927.

What the Data Says About EWR to PWM

5,419 tracked flights put the EWR to PWM pairing (Newark to Portland) at a 81.2% on-time rate, squarely in line with the wider network. Delays that do occur run 75.4 minutes on average. Across the 284-mile route and its 6 carriers, the trailing 24 months show 3.0% cancelled and 0.2% diverted (1,988 flights sampled).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 90% on-time, while Nov 2025 came in at just 65% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, EWR–PWM peaks in October at 87.6% on-time while July carries the heaviest traffic (~111 flights per month) ; the softest month is July at 74.9%, a 12.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does EWR to PWM rank among US routes by traffic?
According to PlainFlights' route traffic ranking, EWR to PWM ranks #2309 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from EWR to PWM?
Flights from Newark to Portland have a 81.2% on-time rate based on 5,419 flights. The average delay is 75.4 minutes. The best recent month was Sep 2024 with 90% on-time.
What is the cancellation rate for EWR to PWM?
Over the last 24 months, 3.0% of flights on this route were cancelled (59 of 1,988 flights) and 0.2% were diverted.
How far is the flight from EWR to PWM?
The flight distance from Newark (EWR) to Portland (PWM) is approximately 284 miles. This route is served by 6 carriers.
When is the best time to fly from EWR to PWM?
The best recent month for on-time performance was Sep 2024 (90% on-time). The worst was Nov 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using EWR–PWM data

EWR–PWM is mid-pack at 81.2% on-time; month and carrier mix move more than the corridor headline.

  • Compare EWR and PWM airport profiles: delay causes and top routes differ even on the same corridor. EWR airport
  • If your dates flex, October (87.6% on-time) beats July (74.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.2% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.