SAN (San Diego) to BOI (Boise) flights arrive on time 79% of the time. The most reliable airline on this route is Alaska Airlines at 79%. 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.SAN → BOI
SAN (San Diego) to BOI (Boise)
SAN → BOI on-time performance by month
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This route is on time most of the time. About 79% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Airlines are roughly equal on this route — Alaska Airlines leads slightly at 79% vs Southwest Airlines at 77%.
Airline Comparison
Alaska Airlines leads at 79% on time; Southwest Airlines trails at 77%.
Accurate?
Good to know
Departing from SAN
80% on timeExpect ~18 min sitting on the taxiway after your gate pushes back. SAN has long runway queues.
TSA is currently ~5 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 ~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.