Airports › Louisville (SDF) › October 2023
Airport month · October 2023
Louisville Muhammad Ali International in October 2023
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 October 2023, reporting carriers scheduled 2,144 domestic departures from Louisville Muhammad Ali International (SDF). 87.6% left less than 15 minutes late and 87.1% reached their destination on time; 0.1% were cancelled.
Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so SDF departures were 3.8 points above the national departure figure.
Flights arriving at SDF that month were on time 85.5% of the time (2,144 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 50%, late-arriving aircraft 32% and national aviation system 15%.
- On time 87.1%
- Arrived 15+ minutes late 12.6%
- Cancelled 0.1%
- Diverted 0.1%
October 2023 against a year earlier, the airport's year and the nation
| Measure | Oct 2023 | Year earlier | SDF, 12 months to Jul 2026 | All reported flights, Oct 2023 |
|---|---|---|---|---|
| Departed on time | 87.6% | — | 80.0% | 83.8% |
| Arrived on time | 87.1% | — | 79.7% | 84.0% |
| Cancelled | 0.1% | — | 2.2% | 0.4% |
| Average departure delay (late minutes only) | 9.5 min | — | 15.9 min | 11.0 min |
| Scheduled departures a day | 72 | — | 63 | 19,966 |
| Scheduled departures | 2,144 | — | 23,144 | 598,968 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 491 | 23% | 88.4% | -0.4 min | 0.2% |
| YX Republic Airline | 444 | 21% | 91.7% | -9.7 min | 0.0% |
| AA American Airlines | 313 | 15% | 80.5% | 9.2 min | 0.6% |
| DL Delta Air Lines | 194 | 9% | 96.9% | -11.5 min | 0.0% |
| OO SkyWest Airlines | 178 | 8% | 91.0% | 2.7 min | 0.0% |
| UA United Airlines | 138 | 6% | 79.7% | 3.4 min | 0.0% |
| NK Spirit Airlines | 124 | 6% | 66.1% | 16.6 min | 0.0% |
| OH PSA Airlines | 91 | 4% | 90.1% | -5.1 min | 0.0% |
| G4 Allegiant Air | 62 | 3% | 85.5% | 7.6 min | 0.0% |
| MQ Envoy Air | 59 | 3% | 86.4% | -10.3 min | 0.0% |
| 9E Endeavor Air | 50 | 2% | 94.0% | -13.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ATL | Louisville to Atlanta | 245 | 95.5% | -10.2 min | 0.0% |
| SDF–ORD | Louisville to Chicago | 198 | 86.4% | -5.7 min | 0.0% |
| SDF–CLT | Louisville to Charlotte | 179 | 78.8% | 5.5 min | 0.0% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 173 | 85.0% | 8.1 min | 1.2% |
| SDF–LGA | Louisville to New York | 133 | 94.0% | -10.7 min | 0.0% |
| SDF–DEN | Louisville to Denver | 102 | 81.4% | 4.4 min | 0.0% |
| SDF–BWI | Louisville to Baltimore | 98 | 91.8% | -5.2 min | 1.0% |
| SDF–MCO | Louisville to Orlando | 94 | 67.0% | 13.7 min | 0.0% |
| SDF–MDW | Louisville to Chicago | 93 | 88.2% | -0.7 min | 0.0% |
| SDF–EWR | Louisville to Newark | 89 | 95.5% | -16.7 min | 0.0% |
| SDF–BOS | Louisville to Boston | 87 | 89.7% | -8.1 min | 0.0% |
| SDF–DCA | Louisville to Washington | 87 | 89.7% | -4.0 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in October 2023?
87.6% of 2,144 scheduled domestic departures left less than 15 minutes late, and 87.1% reached their destination on time. The national figures that month were 83.8% and 84.0%.
How does that compare with a year earlier?
October 2022 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 October 2023; 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.