BOI (Boise) to SMF (Sacramento) flights arrive on time 86% of the time. The most reliable airline on this route is Southwest Airlines at 87%. The average delay is 56 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated March 2026.BOI → SMF
BOI (Boise) to SMF (Sacramento)
BOI → SMF on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 86% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines edges out SkyWest Airlines on this route — 87% vs 81% on time.
Airline Comparison
Southwest Airlines leads at 87% on time; SkyWest Airlines trails at 81%.
Accurate?
Good to know
Departing from BOI
84% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. BOI has long runway queues.
TSA is currently ~22 min. Best time: 4 AM (about 5 min).
Arriving at SMF
82% on timeWhen flights into SMF are late, the average delay is 58 minutes. Build buffer if you have ground plans.
If connecting at SMF: TSA is ~18 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.