Skip to content
WanderNerd
Check a flight

Route Reliability

San Diego → Washington

SAN–DCA · 2,276 miles · San Diego International Airport to Ronald Reagan Washington National Airport

68
Usually Fine
WanderNerd Reliability Score
68%
Arrive within 15 minutes
8 min
Average arrival delay
1.4%
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 68% of the time across 364 flights. No comparison to make.

What the data says

Thursdays have been rough.

SAN–DCA flights arrived on time 77% of the time on Mondays and just 59% on Thursdays. That gap is worth planning around.

Trending in the right direction.

SAN–DCA flights arrived on time 78% of the time over the last three months in the data, compared with 66% in the three months before that.

The breakdown

On-time by weekday
  • Mon77%(51 flights)
  • Tue73%(52 flights)
  • Wed67%(51 flights)
  • Thu59%(49 flights)
  • Fri61%(51 flights)
  • Sat75%(51 flights)
  • Sun62%(52 flights)
On-time trend by month
80%
May

Jun 57% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202563%30
August 202552%31
September 202562%29
October 202574%31
November 202568%28
December 202577%31
January 202661%28
February 202661%28
March 202668%31
April 202687%30
May 202680%30

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.