Flight Check

Best Airline: SDF to BOS

Louisville to Boston — airline reliability comparison

Republic Airways is the most reliable airline on the SDF to BOS route with a 79% on-time rate, compared to at 64%. Based on 2,300 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

Republic Airways79%
64%

SDF to BOS Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest79%1.9%75m2,300
MQWorst64%1.3%56m222

Route Overview

77%
Overall On-Time
70m
Avg Delay
2%
Cancel Rate
2,545
Total Flights
SDF to BOS Route DetailsReturn: BOS to SDF
SDF AirportBOS Airport

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