Southwest Airlines is the most reliable airline on the KOA to SJC route with a 89% on-time rate, compared to Alaska Airlines at 80%. Based on 326 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: KOA to SJC
Kona to San Jose — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines89%
Alaska Airlines80%
KOA to SJC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 89% | 0.0% | 40m | 326 |
| Alaska AirlinesASWorst | 80% | 1.4% | 61m | 881 |
Route Overview
82%
Overall On-Time
57m
Avg Delay
1%
Cancel Rate
1,209
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.