Historical on-time performance
San Jose to Kona
2,384 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SJC → KOA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 10 min · 758 flights
- Middays76% on time · p90 35 min · 132 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 92% on time.
- Wednesdays92% on time · p90 10 min · 156 flights · limited
- Fridays90% on time · p90 10 min · 168 flights · limited
- Saturdays89% on time · p90 15 min · 136 flights · limited
- Sundays87% on time · p90 15 min · 102 flights · limited
- Mondays87% on time · p90 15 min · 161 flights · limited
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