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Route Reliability

Washington → Los Angeles

DCA–LAX · 2,311 miles · Ronald Reagan Washington National Airport to Los Angeles International Airport

73
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
10 min
Average arrival delay
1.5%
Cancelled
1,457
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines79%730 flights
  2. 2.Delta Air Lines75%363 flights
  3. 3.Alaska Airlines68%364 flights

What the data says

The 6–9 AM departure wins.

DCA–LAX flights departing between 6–9 AM arrived on time 84% of the time, versus 66% between 9 AM–12 PM.

Thursday is the weak spot.

DCA–LAX flights arrived on time 79% of the time on Mondays. On Thursdays: 70%.

American Airlines runs this route best.

American Airlines arrived on time 79% of the time on this route; Alaska Airlines managed 68%.

Trending in the right direction.

DCA–LAX flights arrived on time 82% of the time over the last three months in the data, compared with 74% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon79%(201 flights)
  • Tue77%(203 flights)
  • Wed72%(202 flights)
  • Thu70%(202 flights)
  • Fri74%(204 flights)
  • Sat78%(206 flights)
  • Sun76%(201 flights)
On-time by departure window
  • 6–9 AM84%(413 flights)
  • 9 AM–12 PM66%(302 flights)
  • 3–6 PM74%(704 flights)
On-time trend by month
83%
May

Jun 65% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%116
July 202557%122
August 202579%122
September 202576%120
October 202579%124
November 202578%116
December 202572%120
January 202675%115
February 202675%109
March 202684%124
April 202679%115
May 202683%116

Same trip, other airports

Keep nerding

Based on 1,457 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.