Airports › Louisville (SDF) › November 2025
Airport month · November 2025
Louisville Muhammad Ali International in November 2025
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 November 2025, reporting carriers scheduled 1,731 domestic departures from Louisville Muhammad Ali International (SDF). 78.9% left less than 15 minutes late and 78.5% reached their destination on time; 3.8% were cancelled.
Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so SDF departures were 0.8 points above the national departure figure.
A year earlier, in November 2024, the airport had 1,904 departures with 89.2% leaving on time: a change of −10.3 points, with flights down 9%.
Flights arriving at SDF that month were on time 75.9% of the time (1,732 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 37%, late-arriving aircraft 36% and air carrier 26%.
- On time 78.5%
- Arrived 15+ minutes late 17.8%
- Cancelled 3.8%
- Diverted 0.0%
November 2025 against a year earlier, the airport's year and the nation
| Measure | Nov 2025 | Nov 2024 | SDF, 12 months to Jul 2026 | All reported flights, Nov 2025 |
|---|---|---|---|---|
| Departed on time | 78.9% | 89.2% | 80.0% | 78.1% |
| Arrived on time | 78.5% | 86.3% | 79.7% | 77.3% |
| Cancelled | 3.8% | 0.1% | 2.2% | 2.5% |
| Average departure delay (late minutes only) | 16.3 min | 8.9 min | 15.9 min | 15.6 min |
| Scheduled departures a day | 58 | 64 | 63 | 19,018 |
| Scheduled departures | 1,731 | 1,904 | 23,144 | 570,550 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| YX Republic Airline | 488 | 28% | 75.6% | 5.2 min | 4.1% |
| WN Southwest Airlines | 420 | 24% | 83.3% | -2.5 min | 4.8% |
| AA American Airlines | 257 | 15% | 73.9% | 12.0 min | 2.3% |
| DL Delta Air Lines | 213 | 12% | 84.0% | -1.5 min | 1.9% |
| OH PSA Airlines | 135 | 8% | 70.4% | 19.1 min | 7.4% |
| OO SkyWest Airlines | 85 | 5% | 78.8% | 11.4 min | 4.7% |
| UA United Airlines | 60 | 3% | 91.7% | -5.8 min | 1.7% |
| G4 Allegiant Air | 56 | 3% | 73.2% | 10.6 min | 0.0% |
| NK Spirit Airlines | 14 | 1% | 71.4% | 15.5 min | 0.0% |
| MQ Envoy Air | 3 | 0% | 66.7% | 17.7 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ATL | Louisville to Atlanta | 213 | 84.0% | -1.5 min | 1.9% |
| SDF–ORD | Louisville to Chicago | 194 | 70.6% | 7.5 min | 6.2% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 159 | 69.8% | 18.4 min | 5.0% |
| SDF–CLT | Louisville to Charlotte | 140 | 81.4% | 1.5 min | 2.1% |
| SDF–DTW | Louisville to Detroit | 107 | 86.0% | 4.7 min | 1.9% |
| SDF–LGA | Louisville to New York | 95 | 72.6% | 5.5 min | 4.2% |
| SDF–DEN | Louisville to Denver | 89 | 89.9% | -4.4 min | 2.2% |
| SDF–EWR | Louisville to Newark | 86 | 70.9% | 4.7 min | 7.0% |
| SDF–DCA | Louisville to Washington | 84 | 70.2% | 23.5 min | 6.0% |
| SDF–MDW | Louisville to Chicago | 78 | 84.6% | -4.0 min | 6.4% |
| SDF–BWI | Louisville to Baltimore | 74 | 86.5% | -7.3 min | 5.4% |
| SDF–MCO | Louisville to Orlando | 65 | 80.0% | -2.1 min | 7.7% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in November 2025?
78.9% of 1,731 scheduled domestic departures left less than 15 minutes late, and 78.5% reached their destination on time. The national figures that month were 78.1% and 77.3%.
How does that compare with a year earlier?
In November 2024, 89.2% of 1,904 departures left on time and 0.1% were cancelled, against 78.9% and 3.8% in November 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 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.