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Route Reliability

Washington → Portland

DCA–PDX · 2,350 miles · Ronald Reagan Washington National Airport to Portland International Airport

70
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
16 min
Average arrival delay
0.8%
Cancelled
364
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 69% of the time across 364 flights. No comparison to make.

What the data says

Thursdays have been rough.

DCA–PDX flights arrived on time 83% of the time on Saturdays and just 60% on Thursdays. That gap is worth planning around.

Ticking up lately.

DCA–PDX flights arrived on time 75% of the time over the last three months in the data, compared with 71% in the three months before that.

The breakdown

On-time by weekday
  • Mon71%(51 flights)
  • Tue71%(52 flights)
  • Wed67%(52 flights)
  • Thu60%(50 flights)
  • Fri67%(52 flights)
  • Sat83%(52 flights)
  • Sun65%(51 flights)
On-time trend by month
87%
May

Jun 60% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202552%29
August 202581%31
September 202570%30
October 202571%31
November 202559%29
December 202565%31
January 202679%29
February 202668%28
March 202655%31
April 202683%30
May 202687%31

Same trip, other airports

Keep nerding

Based on 364 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.