Airports › Louisville (SDF) › March 2026
Airport month · March 2026
Louisville Muhammad Ali International in March 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 March 2026, reporting carriers scheduled 2,009 domestic departures from Louisville Muhammad Ali International (SDF). 74.1% left less than 15 minutes late and 75.8% reached their destination on time; 3.8% were cancelled.
Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so SDF departures were 1.3 points above the national departure figure.
A year earlier, in March 2025, the airport had 1,905 departures with 84.8% leaving on time: a change of −10.7 points, with flights up 5%.
Flights arriving at SDF that month were on time 69.9% of the time (2,009 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 31% and national aviation system 21%.
- On time 75.8%
- Arrived 15+ minutes late 20.0%
- Cancelled 3.8%
- Diverted 0.4%
March 2026 against a year earlier, the airport's year and the nation
| Measure | Mar 2026 | Mar 2025 | SDF, 12 months to Jul 2026 | All reported flights, Mar 2026 |
|---|---|---|---|---|
| Departed on time | 74.1% | 84.8% | 80.0% | 72.8% |
| Arrived on time | 75.8% | 83.5% | 79.7% | 73.2% |
| Cancelled | 3.8% | 1.2% | 2.2% | 2.9% |
| Average departure delay (late minutes only) | 22.5 min | 11.0 min | 15.9 min | 20.3 min |
| Scheduled departures a day | 67 | 64 | 63 | 20,403 |
| Scheduled departures | 2,009 | 1,905 | 23,144 | 612,102 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| WN Southwest Airlines | 483 | 24% | 77.8% | 7.6 min | 1.7% |
| YX Republic Airline | 475 | 24% | 76.0% | 1.2 min | 5.1% |
| AA American Airlines | 254 | 13% | 79.1% | 19.9 min | 2.8% |
| DL Delta Air Lines | 231 | 11% | 83.1% | -2.5 min | 4.8% |
| OO SkyWest Airlines | 186 | 9% | 67.7% | 26.3 min | 5.9% |
| OH PSA Airlines | 164 | 8% | 70.7% | 20.1 min | 4.3% |
| MQ Envoy Air | 66 | 3% | 72.7% | 11.7 min | 3.0% |
| UA United Airlines | 62 | 3% | 87.1% | -3.7 min | 1.6% |
| G4 Allegiant Air | 60 | 3% | 60.0% | 50.8 min | 3.3% |
| NK Spirit Airlines | 28 | 1% | 42.9% | 38.3 min | 14.3% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SDF–ATL | Louisville to Atlanta | 231 | 83.1% | -2.5 min | 4.8% |
| SDF–ORD | Louisville to Chicago | 221 | 72.4% | 14.1 min | 5.0% |
| SDF–DFW | Louisville to Dallas/Fort Worth | 175 | 74.9% | 25.2 min | 4.0% |
| SDF–CLT | Louisville to Charlotte | 151 | 81.5% | 18.8 min | 3.3% |
| SDF–DTW | Louisville to Detroit | 108 | 66.7% | 25.6 min | 2.8% |
| SDF–DEN | Louisville to Denver | 93 | 80.6% | 2.4 min | 1.1% |
| SDF–DCA | Louisville to Washington | 90 | 70.0% | 6.2 min | 1.1% |
| SDF–EWR | Louisville to Newark | 88 | 76.1% | 0.2 min | 3.4% |
| SDF–MCO | Louisville to Orlando | 87 | 74.7% | 11.6 min | 3.4% |
| SDF–MDW | Louisville to Chicago | 85 | 75.3% | 13.5 min | 1.2% |
| SDF–LGA | Louisville to New York | 79 | 62.0% | 4.4 min | 16.5% |
| SDF–MSP | Louisville to Minneapolis | 75 | 76.0% | 12.9 min | 8.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SDF on time in March 2026?
74.1% of 2,009 scheduled domestic departures left less than 15 minutes late, and 75.8% reached their destination on time. The national figures that month were 72.8% and 73.2%.
How does that compare with a year earlier?
In March 2025, 84.8% of 1,905 departures left on time and 1.2% were cancelled, against 74.1% and 3.8% in March 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 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.