Flight Check

Best Airline: ATL to SDF

Atlanta to Louisville — airline reliability comparison

Delta Air Lines is the most reliable airline on the ATL to SDF route with a 85% on-time rate, compared to SkyWest Airlines at 56%. Based on 8,937 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

Delta Air Lines85%
Southwest Airlines84%
SkyWest Airlines56%

ATL to SDF Airline Comparison

AirlineOn-Time %Cancel %Avg DelayFlights
Delta Air LinesDLBest85%1.1%56m8,937
Southwest AirlinesWN84%0.5%58m1,146
SkyWest AirlinesOOWorst56%0.0%85m25

Route Overview

84%
Overall On-Time
57m
Avg Delay
1.1%
Cancel Rate
10,146
Total Flights
ATL to SDF Route DetailsReturn: SDF to ATL
ATL AirportSDF Airport

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