Baltimore (BWI) to Louisville (SDF) flights
Southwest Airlines flies nonstop from Baltimore/Washington International Thurgood Marshall Airport to Louisville Muhammad Ali International Airport, with about 18 flights a week in July 2026. The 495-mile flight takes about 1h 41m gate to gate.
- Distance
- 495 mi · 797 km
- Flight time
- 1h 41m
- Airlines
- 1
- Seats filled
- 64%
Airlines flying BWI to SDF
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 18 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 88,243 | 1h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BWI to SDF flight schedule
8 flight numbers flew this route in August 2026. The first usually leaves at 8:15am and the last at 8:55pm. 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) |
|---|---|---|---|---|
| WN 550Southwest Airlines | 8:15am | 10:00am | 12 | 92% |
| WN 3523Southwest Airlines | 10:55am | 12:40pm | 6 | n/a |
| WN 3996Southwest Airlines | 10:55am | 12:40pm | 4 | n/a |
| WN 4499Southwest Airlines | 11:10am | 12:50pm | 4 | n/a |
| WN 2272Southwest Airlines | 1:50pm | 3:30pm | 12 | 58% |
| WN 1483Southwest Airlines | 4:05pm | 5:45pm | 4 | n/a |
| WN 439Southwest Airlines | 7:45pm | 9:30pm | 16 | 67% |
| WN 1770Southwest Airlines | 8:55pm | 10:35pm | 12 | 80% |
Is BWI to SDF on time?
From September 2025 to August 2026, 80% of 891 flights arrived within 15 minutes of schedule and 2.5% were cancelled. Flights leaving around 8pm were the most punctual (91%), those around 10pm the least (66%). Most delay time was caused by late-arriving aircraft (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 891 | 80% | 12 min | 2.5% |
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 |
|---|---|---|---|
| 10am to 11am | 257 | 89% | |
| 11am to 12pm | 96 | 91% | |
| 2pm to 3pm | 28 | 75% | |
| 3pm to 4pm | 33 | 64% | |
| 4pm to 5pm | 25 | 80% | |
| 5pm to 6pm | 59 | 75% | |
| 7pm to 8pm | 24 | 70% | |
| 8pm to 9pm | 59 | 91% | |
| 9pm to 10pm | 138 | 73% | |
| 10pm to 11pm | 133 | 66% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 79 | 7,643 | |
| September 2025 | 77 | 9,079 | |
| October 2025 | 95 | 12,076 | |
| November 2025 | 69 | 6,401 | |
| December 2025 | 65 | 5,175 | |
| January 2026 | 59 | 3,762 | |
| February 2026 | 55 | 4,425 | |
| March 2026 | 63 | 5,461 | |
| April 2026 | 75 | 7,888 | |
| May 2026 | 80 | 8,186 | |
| June 2026 | 82 | 9,273 | |
| July 2026 | 78 | 8,874 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.