MDW (Chicago) to GEG (Spokane) flights arrive on time 91% of the time. The most reliable airline on this route is Southwest Airlines at 91%. The average delay is 51 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.MDW → GEG
MDW (Chicago) to GEG (Spokane)
MDW → GEG on-time performance by month
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is usually on time. About 91% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from MDW
78% on timeTSA is currently ~25 min. Best time: 4 AM (about 5 min).
Arriving at GEG
84% on timeWhen flights into GEG are late, the average delay is 61 minutes. Build buffer if you have ground plans.
If connecting at GEG: TSA is ~8 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.