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Route Reliability

Portland → Washington

PWM–DCA · 482 miles · Portland International Jetport to Ronald Reagan Washington National Airport

59
A Little Dicey
WanderNerd Reliability Score
74%
Arrive within 15 minutes
22 min
Average arrival delay
3.6%
Cancelled
1,149
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 74% of the time across 1,149 flights. No comparison to make.

What the data says

Morning-you made the right choice.

PWM–DCA flights departing between 3–6 AM arrived on time 90% of the time, versus 63% between 3–6 PM.

Sunday scaries are real for this one.

PWM–DCA flights arrived on time 80% of the time on Saturdays. On Sundays: 67%.

Keep a backup plan handy.

This route was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(156 flights)
  • Tue79%(160 flights)
  • Wed71%(164 flights)
  • Thu73%(161 flights)
  • Fri75%(161 flights)
  • Sat80%(136 flights)
  • Sun67%(163 flights)
On-time by departure window
  • 3–6 AM90%(155 flights)
  • 6–9 AM87%(199 flights)
  • 9 AM–12 PM79%(130 flights)
  • 12–3 PM66%(304 flights)
  • 3–6 PM63%(313 flights)
On-time trend by month
76%
May

Jun 67% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%86
July 202570%79
August 202580%112
September 202575%115
October 202576%119
November 202583%86
December 202576%87
January 202665%86
February 202673%75
March 202673%79
April 202669%85
May 202676%92

Same trip, other airports

Keep nerding

Based on 1,149 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.