Route
GEG → MDW
Spokane International Airport Chicago Midway International Airport
1,511 miles
Return route MDW → GEG →
How punctual is this route?
- On-time arrivals
- 87.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 85
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 30%
- Air traffic control & airport 25%
- 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 |
| June 2026 | 87.0% | 23 |
| July 2026 | 88.9% | 27 |
| August 2026 | 94.4% | 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 | 85 | 87.1% | 0.0% | 30 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1882
7% late · 27 flights
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