Flight Check

Best Airline: SFO to DCA

San Francisco to Washington — airline reliability comparison

United Airlines is the most reliable airline on the SFO to DCA route with a 86% on-time rate, compared to Alaska Airlines at 81%. Based on 1,839 flights tracked.

This route involves high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

United Airlines86%
Alaska Airlines81%

SFO to DCA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
United AirlinesUABest86%0.6%49m1,839
Alaska AirlinesASWorst81%0.4%59m1,301

Route Overview

83%
Overall On-Time
55m
Avg Delay
0.5%
Cancel Rate
3,140
Total Flights
SFO to DCA Route DetailsReturn: DCA to SFO
SFO AirportDCA Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.