BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PWM→EWR

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

79.8% of 1,095 official scheduled PWM-to-EWR flights arrived on time; 12.1% arrived at least 30 minutes late and 3.8% 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
79.8%arrived on time
12.1%30+ min late
3.8%cancelled
1,095scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.3 mincompleted flights

Which departure time was most reliable for PWM to EWR?

Among qualifying PWM-to-EWR departure window results, Early morning had the highest on-time rate: 84.9% of 463 flights. Afternoon was lowest at 71.3% across 265 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning46384.9%8.4%3.5%
Late morning24081.2%12.5%0.8%
Afternoon26571.3%15.1%8.3%
Evening12776.4%18.1%1.6%

Which weekday was most reliable for PWM to EWR?

Among qualifying PWM-to-EWR weekday results, Friday had the highest on-time rate: 84.5% of 168 flights. Monday was lowest at 74.4% across 164 flights.

DayFlightsOn time30+ minCancelled
Monday16474.4%15.9%4.3%
Tuesday15581.9%11.0%4.5%
Wednesday15383.7%7.8%2.6%
Thursday16881.5%10.7%3.6%
Friday16884.5%10.7%2.4%
Saturday12577.6%19.2%1.6%
Sunday16274.7%10.5%7.4%

Which airline was most reliable for PWM to EWR?

Among qualifying PWM-to-EWR airline results, United Airlines had the highest on-time rate: 82.8% of 151 flights. Republic Airways was lowest at 79.3% across 944 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways94479.3%12.5%3.6%
United Airlines15182.8%9.3%5.3%

Which month was most reliable for PWM to EWR?

Among qualifying PWM-to-EWR month results, May 2026 had the highest on-time rate: 90.3% of 113 flights. July 2025 was lowest at 67.5% across 123 flights.

MonthFlightsOn time30+ minCancelled
July 202512367.5%17.1%12.2%
August 202512281.1%13.1%1.6%
September 202511683.6%11.2%2.6%
October 202513580.0%14.1%0.7%
November 20258181.5%9.9%3.7%
December 20257775.3%14.3%3.9%
January 20267775.3%10.4%7.8%
February 20266188.5%3.3%8.2%
March 20267776.6%18.2%1.3%
May 202611390.3%3.5%1.8%
June 202610778.5%15.0%0.9%

What drove PWM to EWR delay minutes?

National airspace was the largest recorded PWM-to-EWR delay category, accounting for 49.6% of 17,128 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.7%
Late aircraft21.2%
National airspace49.6%
Weather5.5%
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.