Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 1966 · American Airlines

Washington → Los Angeles (DCA–LAX)

83
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
4 min early
Average arrival delay
1.1%
Cancelled
10 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

AA 1966 arrived on time 92% of the time on Mondays and just 76% on Thursdays. That gap is worth planning around.

Better than the DCA–LAX route average.

AA 1966 arrived on time 84% of the time, versus 75% across the DCA–LAX route.

Better than the American Airlines network average.

AA 1966 arrived on time 84% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon92%(50 flights)
  • Tue82%(51 flights)
  • Wed87%(52 flights)
  • Thu76%(50 flights)
  • Fri84%(51 flights)
  • Sat82%(51 flights)
  • Sun81%(52 flights)
On-time trend by month
94%
May

Jun 83% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%29
July 202587%31
August 202574%31
September 202577%30
October 202577%31
November 202583%30
December 202583%30
January 202693%28
February 202682%27
March 202687%31
April 202682%28
May 202694%31
Departures on time
91%
Diverted
1.1%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.