Airlines at Louisville Muhammad Ali International Airport (SDF)

Louisville, Kentucky KSDF #70 US airport by passengers

Airlines operating at SDF, ranked by number of departures.

On-time performance at SDF

Based on 6,331 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.

20.0%Departures late

24.2%Arrivals late

1.97%Cancelled

16.7 minAverage departure delay

On-time performance by airline at SDF
Airline	Departures	Late	Cancelled
Republic Airways	1,726	11.8%	2.43%
Southwest Airlines	1,459	23.7%	0.75%
Delta Air Lines	744	14.5%	0.81%
SkyWest Airlines	576	21.5%	2.43%
American Airlines	568	26.9%	2.64%
PSA Airlines	490	23.7%	3.88%
Envoy Air	318	23.6%	1.57%
Allegiant Air	255	43.5%	0.39%
United Airlines	195	16.4%	0.51%

Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.

Delta and American operate from SDF, according to a third-party guide. Check the airport site for the current list of airlines before you travel.