KOA (Kona) to SJC (San Jose) flights arrive on time 82% of the time. The most reliable airline on this route is Southwest Airlines at 89%. The average delay is 57 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated October 2026.KOA → SJC
KOA (Kona) to SJC (San Jose)
KOA → SJC on-time performance by month
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This route is on time most of the time. About 82% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Southwest Airlines edges out Alaska Airlines on this route — 89% vs 80% on time.
Airline Comparison
Southwest Airlines leads at 89% on time; Alaska Airlines trails at 80%.
Accurate?
Good to know
Departing from KOA
86% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SJC
83% on timeWhen flights into SJC are late, the average delay is 55 minutes. Build buffer if you have ground plans.
If connecting at SJC: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Southwest Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of KOA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.