Airports › Louisville (SDF) › December 2024
Airport month · December 2024
Louisville Muhammad Ali International in December 2024
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 December 2024, reporting carriers scheduled 1,811 domestic departures from Louisville Muhammad Ali International (SDF). 83.0% left less than 15 minutes late and 81.9% reached their destination on time; 0.4% were cancelled.
Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so SDF departures were 5.2 points above the national departure figure.
A year earlier, in December 2023, the airport had 1,866 departures with 87.8% leaving on time: a change of −4.8 points, with flights down 3%.
Flights arriving at SDF that month were on time 79.4% of the time (1,810 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 40% and national aviation system 18%.
- On time 81.9%
- Arrived 15+ minutes late 17.3%
- Cancelled 0.4%
- Diverted 0.3%
December 2024 against a year earlier, the airport's year and the nation
| Measure | Dec 2024 | Dec 2023 | SDF, 12 months to Jul 2026 | All reported flights, Dec 2024 |
|---|---|---|---|---|
| Departed on time | 83.0% | 87.8% | 80.0% | 77.8% |
| Arrived on time | 81.9% | 88.3% | 79.7% | 78.1% |
| Cancelled | 0.4% | 0.3% | 2.2% | 0.7% |
| Average departure delay (late minutes only) | 13.9 min | 9.2 min | 15.9 min | 16.6 min |
| Scheduled departures a day | 60 | 62 | 63 | 19,686 |
| Scheduled departures | 1,811 | 1,866 | 23,144 | 590,581 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| YX Republic Airline | 493 | 27% | 85.2% | -4.8 min | 0.6% |
| WN Southwest Airlines | 391 | 22% | 84.9% | 0.2 min | 0.0% |
| DL Delta Air Lines | 213 | 12% | 85.9% | -5.4 min | 0.0% |
| AA American Airlines | 185 | 10% | 75.1% | 24.4 min | 0.5% |
| OO SkyWest Airlines | 162 | 9% | 78.4% | 12.5 min | 0.0% |
| OH PSA Airlines | 125 | 7% | 70.4% | 14.0 min | 2.4% |
| MQ Envoy Air | 88 | 5% | 83.0% | 4.7 min | 0.0% |
| UA United Airlines | 62 | 3% | 95.2% | -8.0 min | 0.0% |
| G4 Allegiant Air | 50 | 3% | 66.0% | 16.6 min | 2.0% |
| NK Spirit Airlines | 23 | 1% | 69.6% | 15.4 min | 0.0% |
| 9E Endeavor Air | 19 | 1% | 73.7% | 4.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ATL | Louisville to Atlanta | 239 | 85.8% | -5.1 min | 0.0% |
| SDF–ORD | Louisville to Chicago | 182 | 79.1% | 8.2 min | 0.0% |
| SDF–CLT | Louisville to Charlotte | 163 | 70.6% | 23.9 min | 0.6% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 161 | 81.4% | 5.0 min | 0.0% |
| SDF–LGA | Louisville to New York | 119 | 84.9% | -5.4 min | 0.0% |
| SDF–DTW | Louisville to Detroit | 106 | 91.5% | -6.5 min | 0.0% |
| SDF–DEN | Louisville to Denver | 93 | 94.6% | -8.3 min | 0.0% |
| SDF–MDW | Louisville to Chicago | 80 | 92.5% | -5.6 min | 0.0% |
| SDF–EWR | Louisville to Newark | 78 | 82.1% | -1.6 min | 1.3% |
| SDF–MSP | Louisville to Minneapolis | 75 | 85.3% | -1.0 min | 0.0% |
| SDF–DCA | Louisville to Washington | 68 | 72.1% | 6.5 min | 2.9% |
| SDF–BWI | Louisville to Baltimore | 67 | 85.1% | 0.4 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in December 2024?
83.0% of 1,811 scheduled domestic departures left less than 15 minutes late, and 81.9% reached their destination on time. The national figures that month were 77.8% and 78.1%.
How does that compare with a year earlier?
In December 2023, 87.8% of 1,866 departures left on time and 0.3% were cancelled, against 83.0% and 0.4% in December 2024.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 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.