New York (LGA) to Louisville (SDF) flights
Republic Airline, Endeavor Air fly nonstop from LaGuardia Airport to Louisville Muhammad Ali International Airport, with about 24 flights a week in July 2026. The 659-mile flight takes about 2h 23m gate to gate.
- Distance
- 659 mi · 1,061 km
- Flight time
- 2h 23m
- Airlines
- 2
- Seats filled
- 72%
Airlines flying LGA to SDF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 19 | Embraer E175 | 54,188 | 2h 22m |
| Endeavor Air | 5 | Bombardier CRJ900 | 8,038 | 2h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LGA to SDF flight schedule
5 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 8:42am and the last at 6:20pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 5643Delta Air Lines · operated by Republic Airline | 8:42am | 11:05am | 31 | 86% |
| DL 5637Delta Air Lines · operated by Republic Airline | 11:05am | 1:27pm | 26 | 86% |
| DL 4851Delta Air Lines · operated by Endeavor Air | 2:15pm | 4:44pm | 26 | 63% |
| DL 5651Delta Air Lines · operated by Republic Airline | 4:10pm | 6:51pm | 5 | 83% |
| DL 5636Delta Air Lines · operated by Republic Airline | 6:20pm | 8:59pm | 26 | 68% |
Is LGA to SDF on time?
From September 2025 to August 2026, 79% of 1,201 flights arrived within 15 minutes of schedule and 4.1% were cancelled. Flights leaving around 9am were the most punctual (87%), those around 6pm the least (67%). Most delay time was caused by late-arriving aircraft (37%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,189 | 79% | 14 min | 4.1% |
| American Airlines | 12 | 67% | 22 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 45 | 84% | |
| 8am to 9am | 162 | 86% | |
| 9am to 10am | 101 | 87% | |
| 10am to 11am | 77 | 84% | |
| 11am to 12pm | 169 | 82% | |
| 1pm to 2pm | 174 | 86% | |
| 2pm to 3pm | 134 | 73% | |
| 6pm to 7pm | 242 | 67% | |
| 7pm to 8pm | 56 | 72% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 107 | 6,275 | |
| September 2025 | 103 | 5,956 | |
| October 2025 | 111 | 6,419 | |
| November 2025 | 98 | 5,023 | |
| December 2025 | 89 | 4,959 | |
| January 2026 | 73 | 2,333 | |
| February 2026 | 65 | 2,662 | |
| March 2026 | 75 | 3,959 | |
| April 2026 | 105 | 5,611 | |
| May 2026 | 124 | 6,345 | |
| June 2026 | 111 | 6,691 | |
| July 2026 | 106 | 6,952 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.