Boise (BOI) to Chicago (MDW) flights
Southwest Airlines flies nonstop from Boise Air Terminal/Gowen Field to Chicago Midway International Airport, with about 6 flights a week in July 2026. The 1,448-mile flight takes about 3h 15m gate to gate.
- Distance
- 1,448 mi · 2,330 km
- Flight time
- 3h 15m
- Airlines
- 1
- Seats filled
- 90%
Airlines flying BOI to MDW
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 6 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 13,220 | 3h 15m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOI to MDW flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 12:10pm and the last at 12:30pm. 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 477Southwest Airlines | 12:10pm | 4:30pm | 12 | 83% |
| WN 346Southwest Airlines | 12:30pm | 4:50pm | 4 | n/a |
Is BOI to MDW on time?
From September 2025 to August 2026, 87% of 86 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 7am were the most punctual (100%), those around 1pm the least (68%). Most delay time was caused by late-arriving aircraft (73%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 86 | 87% | 7 min | 0% |
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 |
|---|---|---|---|
| 7am to 8am | 16 | 100% | |
| 8am to 9am | 27 | 100% | |
| 12pm to 1pm | 17 | 81% | |
| 1pm to 2pm | 22 | 68% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 18 | 2,645 | |
| September 2025 | 17 | 2,357 | |
| October 2025 | 1 | 159 | |
| June 2026 | 23 | 3,800 | |
| July 2026 | 26 | 4,259 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.