BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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EWR→PWM

Newark, NJ (EWR) to Portland, ME (PWM) flight delay odds

79.1% of 984 official scheduled EWR-to-PWM flights arrived on time; 12.5% arrived at least 30 minutes late and 3.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
79.1%arrived on time
12.5%30+ min late
3.4%cancelled
984scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.4%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.7 mincompleted flights

Which departure time was most reliable for EWR to PWM?

Among qualifying EWR-to-PWM departure window results, Early morning had the highest on-time rate: 93.3% of 165 flights. Evening was lowest at 64.2% across 67 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16593.3%3.0%1.2%
Late morning12191.7%4.1%0.8%
Afternoon30780.8%11.4%3.6%
Evening6764.2%23.9%4.5%
Night32468.5%19.1%4.9%

Which weekday was most reliable for EWR to PWM?

Among qualifying EWR-to-PWM weekday results, Tuesday had the highest on-time rate: 82.5% of 143 flights. Monday was lowest at 74.5% across 145 flights.

DayFlightsOn time30+ minCancelled
Monday14574.5%13.8%5.5%
Tuesday14382.5%7.0%4.2%
Wednesday14180.9%11.3%2.8%
Thursday14978.5%14.8%3.4%
Friday14981.9%10.7%2.0%
Saturday11379.6%14.2%0.9%
Sunday14475.7%16.0%4.2%

Which airline was most reliable for EWR to PWM?

Among qualifying EWR-to-PWM airline results, Republic Airways had the highest on-time rate: 84.1% of 825 flights. United Airlines was lowest at 52.8% across 159 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways82584.1%9.1%2.9%
United Airlines15952.8%30.2%5.7%

Which month was most reliable for EWR to PWM?

Among qualifying EWR-to-PWM month results, May 2026 had the highest on-time rate: 89.8% of 118 flights. December 2025 was lowest at 55.3% across 47 flights.

MonthFlightsOn time30+ minCancelled
July 202512362.6%18.7%11.4%
August 202512281.1%12.3%1.6%
September 202511785.5%9.4%1.7%
October 202512985.3%9.3%0.0%
November 20255463.0%29.6%1.9%
December 20254755.3%25.5%2.1%
January 20264682.6%4.3%8.7%
February 20263372.7%15.2%6.1%
March 20267280.6%12.5%1.4%
May 202611889.8%6.8%0.8%
June 202611685.3%8.6%4.3%

What drove EWR to PWM delay minutes?

Late aircraft was the largest recorded EWR-to-PWM delay category, accounting for 57.0% of 12,161 BTS-attributed delay minutes during July 2025–June 2026.

Airline22.0%
Late aircraft57.0%
National airspace20.5%
Weather0.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.