On-Time Report

Airports › Louisville (SDF) › June 2024

Airport month · June 2024

Louisville Muhammad Ali International in June 2024

81.2%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 June 2024, reporting carriers scheduled 2,156 domestic departures from Louisville Muhammad Ali International (SDF). 81.2% left less than 15 minutes late and 79.7% reached their destination on time; 1.1% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so SDF departures were 7.5 points above the national departure figure.

Flights arriving at SDF that month were on time 73.8% of the time (2,159 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 26% and national aviation system 21%.

Every scheduled departure from SDF in June 2024, judged by arrival at the destination.

June 2024 against a year earlier, the airport's year and the nation

MeasureJun 2024Year earlierSDF, 12 months to Jul 2026All reported flights, Jun 2024
Departed on time81.2%—80.0%73.7%
Arrived on time79.7%—79.7%73.9%
Cancelled1.1%—2.2%1.3%
Average departure delay (late minutes only)16.6 min—15.9 min19.7 min
Scheduled departures a day72—6320,371
Scheduled departures2,156—23,144611,132

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
YX Republic Airline57827%85.1%-3.1 min1.4%
WN Southwest Airlines44921%83.3%2.1 min0.0%
DL Delta Air Lines20910%91.4%-6.5 min0.5%
AA American Airlines20810%67.8%48.1 min2.9%
OH PSA Airlines1668%80.1%0.0 min0.0%
OO SkyWest Airlines1547%69.5%26.1 min0.6%
MQ Envoy Air1266%74.6%13.4 min0.8%
NK Spirit Airlines944%63.8%14.1 min3.2%
G4 Allegiant Air874%70.1%11.4 min2.3%
UA United Airlines603%83.3%5.3 min0.0%
9E Endeavor Air251%60.0%14.8 min4.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
SDF–ATLLouisville to Atlanta24192.1%-6.2 min0.4%
SDF–DFWLouisville to Dallas/Fort Worth20468.1%30.6 min2.5%
SDF–CLTLouisville to Charlotte18078.9%10.8 min0.6%
SDF–ORDLouisville to Chicago16478.7%8.6 min1.2%
SDF–LGALouisville to New York12986.0%2.4 min3.1%
SDF–DTWLouisville to Detroit11478.9%5.5 min0.0%
SDF–MDWLouisville to Chicago10088.0%-1.8 min0.0%
SDF–DENLouisville to Denver9484.0%2.1 min0.0%
SDF–MCOLouisville to Orlando9479.8%6.4 min0.0%
SDF–EWRLouisville to Newark9088.9%-10.2 min2.2%
SDF–MSPLouisville to Minneapolis8564.7%23.0 min0.0%
SDF–DCALouisville to Washington8180.2%1.3 min0.0%

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), June 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2024Minutes
Air carrier48.3%34.4%16,732
Late-arriving aircraft26.3%41.5%9,116
National Aviation System20.8%17.8%7,210
Extreme weather4.5%6.0%1,568
Security0.1%0.2%28
34,654 delay minutes on 407 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2024July 2024 →

Questions and answers

How many flights left SDF on time in June 2024?

81.2% of 2,156 scheduled domestic departures left less than 15 minutes late, and 79.7% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; 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.