Newark (EWR) to Louisville (SDF) flights
Republic Airline flies nonstop from Newark Liberty International Airport to Louisville Muhammad Ali International Airport, with about 18 flights a week in July 2026. The 642-mile flight takes about 2h 19m gate to gate.
- Distance
- 642 mi · 1,033 km
- Flight time
- 2h 19m
- Airlines
- 1
- Seats filled
- 78%
Airlines flying EWR to SDF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 18 | Embraer E175, Embraer E170 | 55,493 | 2h 19m |
| GoJet AirlinesSeasonal or ended | n/a | Bombardier CRJ550 | 587 | 2h 17m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
EWR to SDF flight schedule
5 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 10:00am and the last at 8:33pm. 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) |
|---|---|---|---|---|
| UA 3599United Airlines · operated by Republic Airline | 10:00am | 12:22pm | 21 | 95% |
| UA 3421United Airlines · operated by Republic Airline | 10:05am | 12:21pm | 10 | 88% |
| UA 3415United Airlines · operated by Republic Airline | 5:45pm | 8:13pm | 31 | 81% |
| UA 3512United Airlines · operated by Republic Airline | 8:29pm | 10:54pm | 10 | 56% |
| UA 3609United Airlines · operated by Republic Airline | 8:33pm | 10:59pm | 21 | 79% |
Is EWR to SDF on time?
From September 2025 to August 2026, 81% of 1,035 flights arrived within 15 minutes of schedule and 5.7% were cancelled. Flights leaving around 4pm were the most punctual (89%), those around 8pm the least (73%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,034 | 81% | 17 min | 5.7% |
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 |
|---|---|---|---|
| 9am to 10am | 53 | 77% | |
| 10am to 11am | 260 | 88% | |
| 4pm to 5pm | 87 | 89% | |
| 5pm to 6pm | 129 | 79% | |
| 6pm to 7pm | 103 | 79% | |
| 7pm to 8pm | 21 | 95% | |
| 8pm to 9pm | 254 | 73% | |
| 9pm to 10pm | 88 | 81% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 64 | 4,010 | |
| September 2025 | 62 | 4,191 | |
| October 2025 | 91 | 6,048 | |
| November 2025 | 78 | 4,838 | |
| December 2025 | 71 | 4,482 | |
| January 2026 | 79 | 3,654 | |
| February 2026 | 75 | 3,750 | |
| March 2026 | 87 | 4,941 | |
| April 2026 | 91 | 5,341 | |
| May 2026 | 92 | 5,045 | |
| June 2026 | 88 | 5,400 | |
| July 2026 | 82 | 5,397 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.