KOA (Kona) to SMF (Sacramento) flights arrive on time 90% of the time. The most reliable airline on this route is Southwest Airlines at 93%. The average delay is 50 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.KOA → SMF
KOA (Kona) to SMF (Sacramento)
KOA → SMF on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is usually on time. About 90% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Southwest Airlines edges out Alaska Airlines on this route — 93% vs 86% on time.
Airline Comparison
Southwest Airlines leads at 93% on time; Alaska Airlines trails at 86%.
Accurate?
Good to know
Departing from KOA
87% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at SMF
83% on timeWhen flights into SMF are late, the average delay is 59 minutes. Build buffer if you have ground plans.
If connecting at SMF: 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 August 2026. Source: Bureau of Transportation Statistics.