Route
BOI → MDW
Boise Air Terminal/Gowen Field Chicago Midway International Airport
1,448 miles
Return route MDW → BOI →
How punctual is this route?
- On-time arrivals
- 86.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 86
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.5% | 17 |
| October 2025 | 100.0% | 1 |
| June 2026 | 91.3% | 23 |
| July 2026 | 92.3% | 27 |
| August 2026 | 82.4% | 18 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 86 | 86.9% | 0.0% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4432
0% late · 43 flights
Reviews
No reviews yet. Be the first to review this route.