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

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

83.5% of 364 official scheduled PDX-to-DCA flights arrived on time; 9.1% arrived at least 30 minutes late and 0.3% 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 SIGNALLower disruption
83.5%arrived on time
9.1%30+ min late
0.3%cancelled
364scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.6%all scheduled flights
120+ minutes late0.3%all scheduled flights
Diverted1.4%did not reach as scheduled
Average arrival-7.0 mincompleted flights

Which departure time was most reliable for PDX to DCA?

Only Early morning met the PDX-to-DCA departure window threshold: 83.5% of 364 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning36483.5%9.1%0.3%

Which weekday was most reliable for PDX to DCA?

Among qualifying PDX-to-DCA weekday results, Tuesday had the highest on-time rate: 90.6% of 53 flights. Sunday was lowest at 78.8% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5284.6%9.6%0.0%
Tuesday5390.6%3.8%0.0%
Wednesday5282.7%5.8%0.0%
Thursday5182.4%13.7%0.0%
Friday5280.8%7.7%0.0%
Saturday5284.6%9.6%0.0%
Sunday5278.8%13.5%1.9%

Which airline was most reliable for PDX to DCA?

Only Alaska Airlines met the PDX-to-DCA airline threshold: 83.5% of 364 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines36483.5%9.1%0.3%

Which month was most reliable for PDX to DCA?

Among qualifying PDX-to-DCA month results, April 2026 had the highest on-time rate: 93.3% of 30 flights. July 2025 was lowest at 67.7% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253167.7%16.1%0.0%
August 20253190.3%6.5%0.0%
September 20253083.3%3.3%0.0%
October 20253177.4%16.1%0.0%
November 20252989.7%6.9%0.0%
December 20253187.1%6.5%0.0%
January 20263187.1%9.7%3.2%
February 20262871.4%14.3%0.0%
March 20263177.4%19.4%0.0%
April 20263093.3%0.0%0.0%
May 20263190.3%3.2%0.0%
June 20263086.7%6.7%0.0%

What drove PDX to DCA delay minutes?

National airspace was the largest recorded PDX-to-DCA delay category, accounting for 53.2% of 2,411 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.8%
Late aircraft9.9%
National airspace53.2%
Weather2.2%
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.