Louisville (SDF) to Washington (DCA) flights
Republic Airline, PSA Airlines fly nonstop from Louisville Muhammad Ali International Airport to Ronald Reagan Washington National Airport, with about 19 flights a week in July 2026. The 474-mile flight takes about 1h 42m gate to gate.
- Distance
- 474 mi · 763 km
- Flight time
- 1h 42m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying SDF to DCA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 11 | Embraer E175 | 24,078 | 1h 41m |
| PSA Airlines | 7 | Bombardier CRJ700, Bombardier CRJ900 | 28,517 | 1h 43m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 584 | 1h 32m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SDF to DCA flight schedule
4 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:11am and the last at 3:21pm. 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) |
|---|---|---|---|---|
| AA 4549American Airlines · operated by Republic Airline | 6:11am | 8:00am | 31 | 90% |
| AA 5400American Airlines · operated by PSA Airlines | 9:52am | 11:38am | 4 | 80% |
| AA 5602American Airlines · operated by PSA Airlines | 11:10am | 12:58pm | 23 | 75% |
| AA 5135American Airlines · operated by PSA Airlines | 3:21pm | 5:12pm | 23 | 52% |
Is SDF to DCA on time?
From September 2025 to August 2026, 78% of 1,025 flights arrived within 15 minutes of schedule and 4.6% were cancelled. Flights leaving around 6am were the most punctual (91%), those around 2pm the least (53%). Most delay time was caused by late-arriving aircraft (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,025 | 78% | 20 min | 4.6% |
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 |
|---|---|---|---|
| 6am to 7am | 353 | 91% | |
| 9am to 10am | 34 | 86% | |
| 10am to 11am | 87 | 87% | |
| 11am to 12pm | 218 | 77% | |
| 2pm to 3pm | 67 | 53% | |
| 3pm to 4pm | 23 | 53% | |
| 4pm to 5pm | 159 | 62% | |
| 5pm to 6pm | 26 | 87% | |
| 6pm to 7pm | 23 | 70% | |
| 7pm to 8pm | 30 | 69% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 86 | 4,541 | |
| September 2025 | 89 | 5,220 | |
| October 2025 | 93 | 5,326 | |
| November 2025 | 79 | 4,062 | |
| December 2025 | 59 | 3,093 | |
| January 2026 | 73 | 3,094 | |
| February 2026 | 77 | 4,111 | |
| March 2026 | 88 | 5,110 | |
| April 2026 | 89 | 4,701 | |
| May 2026 | 90 | 5,109 | |
| June 2026 | 81 | 4,664 | |
| July 2026 | 82 | 4,895 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.