Airports › Louisville (SDF) › July 2026
Airport month · July 2026
Louisville Muhammad Ali International in July 2026
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 July 2026, reporting carriers scheduled 2,015 domestic departures from Louisville Muhammad Ali International (SDF). 76.2% left less than 15 minutes late and 75.4% reached their destination on time; 2.6% were cancelled.
Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so SDF departures were 7.4 points above the national departure figure.
A year earlier, in July 2025, the airport had 2,176 departures with 75.1% leaving on time: a change of +1.1 points, with flights down 7%.
Flights arriving at SDF that month were on time 69.3% of the time (2,015 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 24% and national aviation system 22%.
- On time 75.4%
- Arrived 15+ minutes late 21.1%
- Cancelled 2.6%
- Diverted 0.8%
July 2026 against a year earlier, the airport's year and the nation
| Measure | Jul 2026 | Jul 2025 | SDF, 12 months to Jul 2026 | All reported flights, Jul 2026 |
|---|---|---|---|---|
| Departed on time | 76.2% | 75.1% | 80.0% | 68.8% |
| Arrived on time | 75.4% | 76.1% | 79.7% | 69.4% |
| Cancelled | 2.6% | 2.6% | 2.2% | 2.6% |
| Average departure delay (late minutes only) | 18.0 min | 20.4 min | 15.9 min | 24.1 min |
| Scheduled departures a day | 67 | 73 | 63 | 21,066 |
| Scheduled departures | 2,015 | 2,176 | 23,144 | 631,970 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| YX Republic Airline | 553 | 27% | 81.9% | -2.2 min | 4.9% |
| WN Southwest Airlines | 492 | 24% | 79.7% | 4.0 min | 0.8% |
| DL Delta Air Lines | 240 | 12% | 82.5% | 0.4 min | 0.4% |
| OH PSA Airlines | 183 | 9% | 61.7% | 13.5 min | 6.6% |
| AA American Airlines | 150 | 7% | 69.3% | 24.3 min | 2.0% |
| OO SkyWest Airlines | 128 | 6% | 62.5% | 10.9 min | 3.1% |
| MQ Envoy Air | 110 | 5% | 77.3% | 2.9 min | 0.9% |
| G4 Allegiant Air | 98 | 5% | 45.9% | 60.8 min | 0.0% |
| UA United Airlines | 61 | 3% | 82.0% | -5.9 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ORD | Louisville to Chicago | 248 | 75.0% | 0.5 min | 3.2% |
| SDF–ATL | Louisville to Atlanta | 240 | 82.5% | 0.4 min | 0.4% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 178 | 69.1% | 15.2 min | 1.7% |
| SDF–CLT | Louisville to Charlotte | 145 | 71.0% | 12.7 min | 2.8% |
| SDF–EWR | Louisville to Newark | 92 | 76.1% | -2.4 min | 12.0% |
| SDF–MDW | Louisville to Chicago | 92 | 82.6% | 4.3 min | 1.1% |
| SDF–DEN | Louisville to Denver | 91 | 84.6% | -4.2 min | 0.0% |
| SDF–LGA | Louisville to New York | 89 | 80.9% | -9.1 min | 7.9% |
| SDF–DCA | Louisville to Washington | 88 | 70.5% | 3.9 min | 6.8% |
| SDF–BWI | Louisville to Baltimore | 83 | 80.7% | 4.4 min | 2.4% |
| SDF–MCO | Louisville to Orlando | 68 | 75.0% | 4.4 min | 0.0% |
| SDF–BNA | Louisville to Nashville | 62 | 67.7% | 11.8 min | 1.6% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in July 2026?
76.2% of 2,015 scheduled domestic departures left less than 15 minutes late, and 75.4% reached their destination on time. The national figures that month were 68.8% and 69.4%.
How does that compare with a year earlier?
In July 2025, 75.1% of 2,176 departures left on time and 2.6% were cancelled, against 76.2% and 2.6% in July 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.