Flight Check

Best Airline: BOS to DCA

Boston to Washington — airline reliability comparison

Delta Air Lines is the most reliable airline on the BOS to DCA route with a 83% on-time rate, compared to JetBlue Airways at 75%. Based on 125 flights tracked.

This route involves weather-prone airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

Delta Air Lines83%
Republic Airways82%
American Airlines79%
78%
JetBlue Airways75%

BOS to DCA Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest83%0.7%66m125
Republic AirwaysYX82%2.8%65m13,661
American AirlinesAA79%2.6%101m7,462
MQ78%6.3%70m255
JetBlue AirwaysB6Worst75%2.6%70m12,401

Route Overview

79%
Overall On-Time
74m
Avg Delay
2.6%
Cancel Rate
33,923
Total Flights
BOS to DCA Route DetailsReturn: DCA to BOS
BOS AirportDCA Airport

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