GEG to MDW flight delays & on-time performance
Nonstop flights from Spokane International Airport to Chicago Midway International Airport · 1,511 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GEG or MDW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Spokane (GEG) to Chicago (MDW) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 1% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (93% on time); around 12pm did worst (68%).
- Friday was the most reliable day to fly (83% on time) and Monday the least (81%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (60%).
Which airline is most on time from GEG to MDW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 84% | 0.0% | 7 min | 1.2% | 86 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am93%42 flights
- 12pm68%32 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday81%0.0% cancelled
- Tuesday100%0.0% cancelled
- Wednesday88%0.0% cancelled
- Thursday82%0.0% cancelled
- Friday83%0.0% cancelled
- Saturday0%0.0% cancelled
- Sunday82%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)60%
- Late-arriving aircraft25%
- Air traffic control & airport congestion15%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
GEG to MDW: common questions
- How often are GEG to MDW flights on time?
- 84% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Spokane to Chicago cancelled?
- 0.0% of scheduled flights were cancelled (0 of 86).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 35 min behind schedule on average, and 1.2% of flights were an hour or more late.
- How long is taxi time at GEG?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MDW to GEG — 71% on time
More flights from Spokane
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: GEG → MDW, nonstop flights by US airlines that report to the DOT. How we calculate this.