SEA (Seattle) to GEG (Spokane) flights arrive on time 80% of the time. The most reliable airline on this route is SkyWest Airlines at 85%. The average delay is 52 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SEA → GEG
SEA (Seattle) to GEG (Spokane)
SEA → GEG on-time performance by month
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
SkyWest Airlines is significantly more reliable on this route at 85% on time vs Alaska Airlines at 70%.
Airline Comparison
SkyWest Airlines leads at 85% on time; Alaska Airlines trails at 70%.
Accurate?
Good to know
Departing from SEA
82% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.
TSA is currently ~5 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 ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.