Louisville Muhammad Ali International in February 2025

82.4%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In February 2025, reporting carriers scheduled 1,574 domestic departures from Louisville Muhammad Ali International (SDF). 82.4% left less than 15 minutes late and 75.3% reached their destination on time; 1.8% were cancelled.

Nationally that month, 79.2% of flights departed on time and 77.9% arrived on time, so SDF departures were 3.2 points above the national departure figure.

A year earlier, in February 2024, the airport had 1,684 departures with 89.0% leaving on time: a change of −6.6 points, with flights down 7%.

Flights arriving at SDF that month were on time 76.8% of the time (1,575 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 31%, national aviation system 31% and late-arriving aircraft 30%.

On time 75.3%
Arrived 15+ minutes late 22.5%
Cancelled 1.8%
Diverted 0.4%

Every scheduled departure from SDF in February 2025, judged by arrival at the destination.

February 2025 against a year earlier, the airport's year and the nation

Measure	Feb 2025	Feb 2024	SDF, 12 months to Jul 2026	All reported flights, Feb 2025
Departed on time	82.4%	89.0%	80.0%	79.2%
Arrived on time	75.3%	86.9%	79.7%	77.9%
Cancelled	1.8%	0.4%	2.2%	1.5%
Average departure delay (late minutes only)	15.7 min	7.4 min	15.9 min	15.3 min
Scheduled departures a day	53	56	63	16,830
Scheduled departures	1,574	1,684	23,144	504,884

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	481	31%	78.4%	5.2 min	1.0%
WN Southwest Airlines	351	22%	83.2%	-0.9 min	0.3%
AA American Airlines	179	11%	70.9%	12.0 min	0.6%
DL Delta Air Lines	176	11%	80.1%	-1.7 min	0.0%
OH PSA Airlines	134	9%	56.7%	32.7 min	11.9%
OO SkyWest Airlines	92	6%	69.6%	41.3 min	1.1%
MQ Envoy Air	53	3%	56.6%	27.6 min	3.8%
G4 Allegiant Air	40	3%	67.5%	30.1 min	5.0%
NK Spirit Airlines	34	2%	76.5%	7.5 min	2.9%
UA United Airlines	34	2%	73.5%	12.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SDF–ATL	Louisville to Atlanta	204	80.9%	-1.8 min	0.5%
SDF–ORD	Louisville to Chicago	150	68.0%	28.4 min	2.0%
SDF–DFW	Louisville to Dallas/Fort Worth	138	68.8%	13.3 min	1.4%
SDF–CLT	Louisville to Charlotte	137	66.4%	27.9 min	2.9%
SDF–LGA	Louisville to New York	124	75.0%	5.3 min	0.8%
SDF–EWR	Louisville to Newark	83	83.1%	-4.6 min	2.4%
SDF–DCA	Louisville to Washington	81	53.1%	21.7 min	14.8%
SDF–DTW	Louisville to Detroit	78	91.0%	-3.0 min	0.0%
SDF–MCO	Louisville to Orlando	72	87.5%	-1.2 min	0.0%
SDF–DEN	Louisville to Denver	62	74.2%	6.5 min	0.0%
SDF–BWI	Louisville to Baltimore	56	83.9%	1.9 min	0.0%
SDF–MDW	Louisville to Chicago	56	87.5%	2.0 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), February 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Feb 2025	Minutes
Air carrier	30.6%	33.9%	8,847
Late-arriving aircraft	29.5%	36.9%	8,540
National Aviation System	30.5%	22.5%	8,826
Extreme weather	9.4%	6.6%	2,704
Security	0.0%	0.1%	0

28,917 delay minutes on 354 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left SDF on time in February 2025?

82.4% of 1,574 scheduled domestic departures left less than 15 minutes late, and 75.3% reached their destination on time. The national figures that month were 79.2% and 77.9%.

How does that compare with a year earlier?

In February 2024, 89.0% of 1,684 departures left on time and 0.4% were cancelled, against 82.4% and 1.8% in February 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for February 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SDF · methodology · corrections.