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Route Reliability

Newark → Portland

EWR–PWM · 284 miles · Newark Liberty International Airport to Portland International Jetport

75
Usually Fine
WanderNerd Reliability Score
80%
Arrive within 15 minutes
6 min
Average arrival delay
3.1%
Cancelled
1,348
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 80% of the time across 1,348 flights. No comparison to make.

What the data says

Morning-you made the right choice.

EWR–PWM flights departing between 6–9 AM arrived on time 90% of the time, versus 61% between 6–9 PM.

Skip Thursday if you can.

EWR–PWM flights arrived on time 84% of the time on Wednesdays. On Thursdays: 76%.

Keep a backup plan handy.

This route was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.

Trending in the right direction.

EWR–PWM flights arrived on time 83% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(187 flights)
  • Tue83%(185 flights)
  • Wed84%(188 flights)
  • Thu76%(194 flights)
  • Fri80%(198 flights)
  • Sat81%(165 flights)
  • Sun78%(187 flights)
On-time by departure window
  • 6–9 AM90%(260 flights)
  • 9 AM–12 PM89%(157 flights)
  • 12–3 PM77%(213 flights)
  • 3–6 PM78%(310 flights)
  • 6–9 PM61%(23 flights)
  • 9 PM–12 AM72%(341 flights)
On-time trend by month
91%
May

Jun 70% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%69
July 202571%108
August 202583%122
September 202587%116
October 202584%144
November 202575%110
December 202565%103
January 202685%99
February 202680%83
March 202682%114
April 202678%119
May 202691%117

Same trip, other airports

Keep nerding

Based on 1,348 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.