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

Newark, NJ (EWR) to Portland, OR (PDX) flight delay odds

75.5% of 870 official scheduled EWR-to-PDX flights arrived on time; 14.7% arrived at least 30 minutes late and 1.6% 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 SIGNALGenerally reliable
75.5%arrived on time
14.7%30+ min late
1.6%cancelled
870scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.5%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.2 mincompleted flights

Which departure time was most reliable for EWR to PDX?

Among qualifying EWR-to-PDX departure window results, Early morning had the highest on-time rate: 96.0% of 177 flights. Afternoon was lowest at 66.7% across 66 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning17796.0%2.3%0.6%
Afternoon6666.7%21.2%0.0%
Evening62770.7%17.5%2.1%

Which weekday was most reliable for EWR to PDX?

Among qualifying EWR-to-PDX weekday results, Saturday had the highest on-time rate: 80.0% of 125 flights. Sunday was lowest at 67.5% across 123 flights.

DayFlightsOn time30+ minCancelled
Monday12376.4%14.6%2.4%
Tuesday12778.7%11.8%0.0%
Wednesday12375.6%13.8%0.8%
Thursday12472.6%12.9%4.8%
Friday12577.6%13.6%0.0%
Saturday12580.0%12.8%0.0%
Sunday12367.5%23.6%3.3%

Which airline was most reliable for EWR to PDX?

Among qualifying EWR-to-PDX airline results, United Airlines had the highest on-time rate: 77.9% of 521 flights. Alaska Airlines was lowest at 71.9% across 349 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines52177.9%13.2%1.5%
Alaska Airlines34971.9%16.9%1.7%

Which month was most reliable for EWR to PDX?

Among qualifying EWR-to-PDX month results, September 2025 had the highest on-time rate: 87.8% of 90 flights. December 2025 was lowest at 50.0% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20259368.8%20.4%4.3%
August 20259378.5%14.0%1.1%
September 20259087.8%4.4%1.1%
October 20258780.5%11.5%0.0%
November 20255967.8%18.6%1.7%
December 20256250.0%30.6%0.0%
January 20263781.1%2.7%2.7%
February 20264575.6%11.1%8.9%
March 20266266.1%22.6%1.6%
April 20266076.7%13.3%0.0%
May 20267185.9%5.6%1.4%
June 202611179.3%18.0%0.0%

What drove EWR to PDX delay minutes?

National airspace was the largest recorded EWR-to-PDX delay category, accounting for 36.8% of 13,532 BTS-attributed delay minutes during July 2025–June 2026.

Airline15.5%
Late aircraft35.7%
National airspace36.8%
Weather11.7%
Security0.3%
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.