FlightRecord

Portland (PDX) to Washington (DCA): On-Time Performance

Data through July 2026

Portland (PDX) to Washington (DCA) is a thinner route than most in this dataset — 363 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.

On-time
81%
arrived <15 min late
Avg delay
9 min
completed flights
Cancelled
0.1%
Flights/day
0.99
last 12 months
Duration
5h 2m
scheduled
Distance
2,350 mi

Monthly on-time trend

Monthly on-time percentage for PDX to DCA flights50%75%100%August 2024: 77% on-time (31 flights)77Aug 2024September 2024: 76% on-time (29 flights)76October 2024: 77% on-time (30 flights)77November 2024: 86% on-time (29 flights)86Nov 2024December 2024: 81% on-time (31 flights)81January 2025: 74% on-time (31 flights)74February 2025: 50% on-time (28 flights)50Feb 2025March 2025: 81% on-time (31 flights)81April 2025: 90% on-time (30 flights)90May 2025: 77% on-time (31 flights)77May 2025June 2025: 83% on-time (30 flights)83July 2025: 68% on-time (31 flights)68August 2025: 90% on-time (31 flights)90Aug 2025September 2025: 83% on-time (30 flights)83October 2025: 77% on-time (31 flights)77November 2025: 90% on-time (29 flights)90Nov 2025December 2025: 87% on-time (31 flights)87January 2026: 90% on-time (31 flights)90February 2026: 71% on-time (28 flights)71Feb 2026March 2026: 77% on-time (31 flights)77April 2026: 93% on-time (30 flights)93May 2026: 90% on-time (31 flights)90May 2026June 2026: 87% on-time (30 flights)87July 2026: 83% on-time (30 flights)83

Best time to fly from PDX to DCA

Aim for departures around 7 a.m. (89% on-time); avoid 9 a.m. departures (76%).

By day of week

DayOn-timeAvg delay
Monday77%10 min
Tuesday84%7 min
Wednesday79%10 min
Thursday80%11 min
Friday78%10 min
Saturdaybest88%7 min
Sunday79%10 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft11%
  • Airline operations23%
  • National airspace system65%
  • Weather1%
  • Security1%

Frequently asked questions

How often are flights from PDX to DCA delayed?
19% of PDX–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
What is the best time of day to fly from PDX to DCA?
Departures around 7 a.m. have the best record (89% on-time), while departures around 9 a.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from PDX to DCA?
The scheduled PDX–DCA flight time averages 5h 2m over 2,350 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
How often are PDX to DCA flights cancelled?
0.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from PDX to DCA?
February 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was April 2026 at 93%. If your dates are flexible, that 43-point gap is worth planning around.

Based on 756 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.