Charleston (CHS) to Chicago (MDW) flights
Southwest Airlines flies nonstop from Charleston International Airport to Chicago Midway International Airport, with about 12 flights a week in July 2026. The 745-mile flight takes about 2h 6m gate to gate.
- Distance
- 745 mi · 1,199 km
- Flight time
- 2h 6m
- Airlines
- 1
- Seats filled
- 69%
Airlines flying CHS to MDW
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 12 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 41,114 | 2h 6m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CHS to MDW flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 7:00am and the last at 6:30pm. 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 776Southwest Airlines | 7:00am | 8:10am | 12 | 100% |
| WN 188Southwest Airlines | 7:35am | 8:45am | 12 | 100% |
| WN 1131Southwest Airlines | 8:15am | 9:20am | 4 | n/a |
| WN 1516Southwest Airlines | 6:30pm | 7:40pm | 16 | 50% |
Is CHS to MDW on time?
From September 2025 to August 2026, 79% of 384 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 5pm the least (57%). Most delay time was caused by late-arriving aircraft (54%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 384 | 79% | 12 min | 0.5% |
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 |
|---|---|---|---|
| 5am to 6am | 34 | 85% | |
| 6am to 7am | 43 | 95% | |
| 7am to 8am | 83 | 94% | |
| 8am to 9am | 58 | 90% | |
| 5pm to 6pm | 47 | 57% | |
| 6pm to 7pm | 50 | 66% | |
| 7pm to 8pm | 39 | 59% | |
| 8pm to 9pm | 18 | 72% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 36 | 3,921 | |
| September 2025 | 34 | 3,741 | |
| October 2025 | 35 | 3,809 | |
| November 2025 | 21 | 1,936 | |
| December 2025 | 17 | 1,483 | |
| January 2026 | 9 | 644 | |
| February 2026 | 17 | 1,251 | |
| March 2026 | 26 | 2,469 | |
| April 2026 | 33 | 4,627 | |
| May 2026 | 36 | 5,237 | |
| June 2026 | 50 | 6,256 | |
| July 2026 | 51 | 5,740 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.