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

New York, NY (JFK) to Portland, OR (PDX) flight delay odds

70.1% of 914 official scheduled JFK-to-PDX flights arrived on time; 17.6% arrived at least 30 minutes late and 2.4% 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 SIGNALGenerally reliable
70.1%arrived on time
17.6%30+ min late
2.4%cancelled
914scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.2%all scheduled flights
120+ minutes late3.3%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+10.2 mincompleted flights

Which departure time was most reliable for JFK to PDX?

Among qualifying JFK-to-PDX departure window results, Late morning had the highest on-time rate: 92.1% of 63 flights. Evening was lowest at 64.7% across 678 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning15182.8%8.6%0.7%
Late morning6392.1%4.8%1.6%
Evening67864.7%21.4%2.9%

Which weekday was most reliable for JFK to PDX?

Among qualifying JFK-to-PDX weekday results, Wednesday had the highest on-time rate: 74.6% of 130 flights. Thursday was lowest at 61.2% across 129 flights.

DayFlightsOn time30+ minCancelled
Monday13070.0%16.9%3.8%
Tuesday13371.4%12.0%3.8%
Wednesday13074.6%19.2%0.8%
Thursday12961.2%24.0%2.3%
Friday13170.2%16.8%0.8%
Saturday13174.0%15.3%2.3%
Sunday13069.2%19.2%3.1%

Which airline was most reliable for JFK to PDX?

Among qualifying JFK-to-PDX airline results, Delta Air Lines had the highest on-time rate: 70.2% of 550 flights. Alaska Airlines was lowest at 70.1% across 364 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines55070.2%18.5%2.2%
Alaska Airlines36470.1%16.2%2.7%

Which month was most reliable for JFK to PDX?

Among qualifying JFK-to-PDX month results, September 2025 had the highest on-time rate: 85.6% of 90 flights. December 2025 was lowest at 51.6% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20259355.9%30.1%8.6%
August 20259378.5%10.8%0.0%
September 20259085.6%11.1%1.1%
October 20259373.1%17.2%1.1%
November 20256657.6%16.7%3.0%
December 20256251.6%32.3%1.6%
January 20266274.2%14.5%3.2%
February 20265667.9%10.7%8.9%
March 20266253.2%33.9%0.0%
April 20266075.0%13.3%0.0%
May 20268779.3%9.2%2.3%
June 20269077.8%15.6%0.0%

What drove JFK to PDX delay minutes?

National airspace was the largest recorded JFK-to-PDX delay category, accounting for 42.8% of 16,318 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.9%
Late aircraft22.4%
National airspace42.8%
Weather4.6%
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.