Flight Check

Best Airline: BOS to SDF

Boston to Louisville — airline reliability comparison

Republic Airways is the most reliable airline on the BOS to SDF route with a 88% on-time rate, compared to at 88%. 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 Airways88%
88%

BOS to SDF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Republic AirwaysYXBest88%1.3%56m2,300
MQWorst88%1.6%71m222

Route Overview

88%
Overall On-Time
58m
Avg Delay
1.4%
Cancel Rate
2,545
Total Flights
BOS to SDF Route DetailsReturn: SDF to BOS
BOS AirportSDF Airport

Flying out of BOS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

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