GEG (Spokane) to BOI (Boise) flights arrive on time 89% of the time. The most reliable airline on this route is SkyWest Airlines at 88%. The average delay is 61 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.GEG → BOI
GEG (Spokane) to BOI (Boise)
GEG → BOI on-time performance by month
24
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 89% 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 GEG
84% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. GEG has long runway queues.
TSA is currently ~8 min. Best time: 4 AM (about 5 min).
Arriving at BOI
84% on timeWhen flights into BOI are late, the average delay is 62 minutes. Build buffer if you have ground plans.
If connecting at BOI: TSA is ~12 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.