Airports › Louisville (SDF) › May 2024
Airport month · May 2024
Louisville Muhammad Ali International in May 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 May 2024, reporting carriers scheduled 2,295 domestic departures from Louisville Muhammad Ali International (SDF). 75.9% left less than 15 minutes late and 73.6% reached their destination on time; 1.4% were cancelled.
Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so SDF departures were 2.5 points above the national departure figure.
Flights arriving at SDF that month were on time 72.0% of the time (2,296 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 32% and national aviation system 22%.
- On time 73.6%
- Arrived 15+ minutes late 24.7%
- Cancelled 1.4%
- Diverted 0.3%
May 2024 against a year earlier, the airport's year and the nation
| Measure | May 2024 | Year earlier | SDF, 12 months to Jul 2026 | All reported flights, May 2024 |
|---|---|---|---|---|
| Departed on time | 75.9% | — | 80.0% | 73.4% |
| Arrived on time | 73.6% | — | 79.7% | 72.3% |
| Cancelled | 1.4% | — | 2.2% | 1.4% |
| Average departure delay (late minutes only) | 19.5 min | — | 15.9 min | 20.8 min |
| Scheduled departures a day | 77 | — | 63 | 20,325 |
| Scheduled departures | 2,295 | — | 23,144 | 609,743 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| YX Republic Airline | 537 | 23% | 83.8% | -1.6 min | 0.7% |
| WN Southwest Airlines | 451 | 20% | 74.5% | 7.5 min | 0.2% |
| AA American Airlines | 262 | 11% | 59.2% | 44.0 min | 5.7% |
| OO SkyWest Airlines | 256 | 11% | 82.0% | 2.2 min | 0.8% |
| DL Delta Air Lines | 219 | 10% | 83.1% | 2.7 min | 0.0% |
| MQ Envoy Air | 170 | 7% | 47.6% | 42.2 min | 4.1% |
| OH PSA Airlines | 134 | 6% | 66.4% | 23.9 min | 1.5% |
| NK Spirit Airlines | 107 | 5% | 75.7% | 10.1 min | 0.0% |
| UA United Airlines | 83 | 4% | 67.5% | 23.1 min | 1.2% |
| G4 Allegiant Air | 63 | 3% | 58.7% | 27.7 min | 1.6% |
| 9E Endeavor Air | 13 | 1% | 92.3% | -1.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ATL | Louisville to Atlanta | 262 | 84.4% | 0.3 min | 0.0% |
| SDF–ORD | Louisville to Chicago | 216 | 75.9% | 9.1 min | 1.4% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 208 | 50.5% | 44.1 min | 9.1% |
| SDF–CLT | Louisville to Charlotte | 186 | 62.9% | 45.4 min | 1.1% |
| SDF–LGA | Louisville to New York | 144 | 87.5% | -1.1 min | 1.4% |
| SDF–DTW | Louisville to Detroit | 119 | 84.0% | 4.2 min | 0.0% |
| SDF–MCO | Louisville to Orlando | 99 | 81.8% | 1.3 min | 0.0% |
| SDF–DEN | Louisville to Denver | 96 | 74.0% | 9.9 min | 1.0% |
| SDF–EWR | Louisville to Newark | 96 | 86.5% | -7.2 min | 1.0% |
| SDF–DCA | Louisville to Washington | 91 | 74.7% | 17.5 min | 1.1% |
| SDF–MSP | Louisville to Minneapolis | 90 | 86.7% | -3.2 min | 0.0% |
| SDF–MDW | Louisville to Chicago | 89 | 75.3% | 7.5 min | 1.1% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in May 2024?
75.9% of 2,295 scheduled domestic departures left less than 15 minutes late, and 73.6% reached their destination on time. The national figures that month were 73.4% and 72.3%.
How does that compare with a year earlier?
May 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 May 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.