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

Washington, DC (DCA) to Portland, OR (PDX) flight delay odds

68.4% of 364 official scheduled DCA-to-PDX flights arrived on time; 18.7% arrived at least 30 minutes late and 0.8% 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
68.4%arrived on time
18.7%30+ min late
0.8%cancelled
364scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.7%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+14.0 mincompleted flights

Which departure time was most reliable for DCA to PDX?

Only Evening met the DCA-to-PDX departure window threshold: 68.4% of 364 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening36468.4%18.7%0.8%

Which weekday was most reliable for DCA to PDX?

Among qualifying DCA-to-PDX weekday results, Saturday had the highest on-time rate: 82.7% of 52 flights. Thursday was lowest at 60.8% across 51 flights.

DayFlightsOn time30+ minCancelled
Monday5265.4%17.3%1.9%
Tuesday5369.8%18.9%0.0%
Wednesday5271.2%17.3%0.0%
Thursday5160.8%17.6%2.0%
Friday5265.4%21.2%0.0%
Saturday5282.7%11.5%0.0%
Sunday5263.5%26.9%1.9%

Which airline was most reliable for DCA to PDX?

Only Alaska Airlines met the DCA-to-PDX airline threshold: 68.4% of 364 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines36468.4%18.7%0.8%

Which month was most reliable for DCA to PDX?

Among qualifying DCA-to-PDX month results, May 2026 had the highest on-time rate: 87.1% of 31 flights. July 2025 was lowest at 45.2% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253145.2%35.5%3.2%
August 20253177.4%12.9%0.0%
September 20253070.0%23.3%0.0%
October 20253171.0%19.4%0.0%
November 20252958.6%27.6%0.0%
December 20253161.3%19.4%0.0%
January 20263171.0%9.7%6.5%
February 20262867.9%28.6%0.0%
March 20263151.6%12.9%0.0%
April 20263083.3%13.3%0.0%
May 20263187.1%9.7%0.0%
June 20263076.7%13.3%0.0%

What drove DCA to PDX delay minutes?

Late aircraft was the largest recorded DCA-to-PDX delay category, accounting for 43.3% of 7,613 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.7%
Late aircraft43.3%
National airspace28.0%
Weather8.0%
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.