Detroit (DTW) to Louisville (SDF) flights
Endeavor Air, SkyWest Airlines, Republic Airline fly nonstop from Detroit Metropolitan Wayne County Airport to Louisville Muhammad Ali International Airport, with about 26 flights a week in July 2026. The 306-mile flight takes about 1h 21m gate to gate.
- Distance
- 306 mi · 492 km
- Flight time
- 1h 21m
- Airlines
- 3
- Seats filled
- 72%
Airlines flying DTW to SDF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Endeavor Air | 12 | Bombardier CRJ900, Bombardier CRJ700 | 11,100 | 1h 19m |
| SkyWest Airlines | 7 | Bombardier CRJ900, Bombardier CRJ700, Bombardier CRJ550 | 35,696 | 1h 22m |
| Republic Airline | 7 | Embraer E175 | 20,486 | 1h 21m |
| Delta Air LinesSeasonal or ended | n/a | Boeing 717-200, Airbus A319, Boeing 737-900ER | 1,223 | 1h 38m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DTW to SDF flight schedule
4 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 8:25am and the last at 7:52pm. 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 3821Delta Air Lines · operated by SkyWest Airlines | 8:25am | 9:54am | 31 | 85% |
| DL 3890Delta Air Lines · operated by SkyWest Airlines | 12:25pm | 1:51pm | 22 | 82% |
| DL 4947Delta Air Lines · operated by Endeavor Air | 3:54pm | 5:19pm | 31 | 67% |
| DL 5832Delta Air Lines · operated by Republic Airline | 7:52pm | 9:19pm | 31 | 76% |
Is DTW to SDF on time?
From September 2025 to August 2026, 77% of 1,306 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 8am were the most punctual (83%), those around 3pm the least (69%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,306 | 77% | 21 min | 1.3% |
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 |
|---|---|---|---|
| 8am to 9am | 348 | 83% | |
| 12pm to 1pm | 223 | 77% | |
| 3pm to 4pm | 180 | 69% | |
| 4pm to 5pm | 146 | 71% | |
| 7pm to 8pm | 329 | 74% | |
| 9pm to 10pm | 33 | 88% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 123 | 6,360 | |
| September 2025 | 108 | 6,394 | |
| October 2025 | 115 | 6,780 | |
| November 2025 | 105 | 4,752 | |
| December 2025 | 105 | 4,454 | |
| January 2026 | 84 | 3,940 | |
| February 2026 | 84 | 4,172 | |
| March 2026 | 112 | 6,171 | |
| April 2026 | 115 | 5,961 | |
| May 2026 | 119 | 6,060 | |
| June 2026 | 116 | 6,993 | |
| July 2026 | 117 | 7,015 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.