Louisville (SDF) to Chicago (MDW) flights
Southwest Airlines flies nonstop from Louisville Muhammad Ali International Airport to Chicago Midway International Airport, with about 21 flights a week in July 2026. The 271-mile flight takes about 1h 10m gate to gate.
- Distance
- 271 mi · 436 km
- Flight time
- 1h 10m
- Airlines
- 1
- Seats filled
- 63%
Airlines flying SDF to MDW
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 21 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 93,417 | 1h 10m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SDF to MDW flight schedule
7 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:00am and the last at 7:25pm. 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 3522Southwest Airlines | 9:00am | 9:15am | 28 | 89% |
| WN 3523Southwest Airlines | 1:15pm | 1:30pm | 6 | n/a |
| WN 2386Southwest Airlines | 2:15pm | 2:30pm | 12 | 92% |
| WN 704Southwest Airlines | 2:45pm | 2:55pm | 4 | n/a |
| WN 4370Southwest Airlines | 4:55pm | 5:15pm | 4 | n/a |
| WN 4503Southwest Airlines | 7:10pm | 7:25pm | 20 | 80% |
| WN 3575Southwest Airlines | 7:25pm | 7:40pm | 4 | n/a |
Is SDF to MDW on time?
From September 2025 to August 2026, 84% of 976 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 8am were the most punctual (92%), those around 7pm the least (76%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 976 | 84% | 11 min | 1.6% |
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 | 162 | 89% | |
| 7am to 8am | 23 | 96% | |
| 8am to 9am | 150 | 92% | |
| 9am to 10am | 25 | 79% | |
| 11am to 12pm | 39 | 84% | |
| 1pm to 2pm | 76 | 87% | |
| 2pm to 3pm | 67 | 82% | |
| 3pm to 4pm | 57 | 79% | |
| 4pm to 5pm | 49 | 81% | |
| 6pm to 7pm | 44 | 89% | |
| 7pm to 8pm | 145 | 76% | |
| 8pm to 9pm | 125 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 90 | 9,304 | |
| September 2025 | 86 | 10,556 | |
| October 2025 | 87 | 9,548 | |
| November 2025 | 73 | 5,975 | |
| December 2025 | 78 | 5,509 | |
| January 2026 | 62 | 4,192 | |
| February 2026 | 56 | 4,340 | |
| March 2026 | 89 | 8,256 | |
| April 2026 | 87 | 7,892 | |
| May 2026 | 84 | 8,132 | |
| June 2026 | 87 | 9,606 | |
| July 2026 | 93 | 10,226 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.