San Jose (SJC) to Kona (KOA): On-Time Performance
Data through May 2026
San Jose (SJC) to Kona (KOA) is a thinner route than most in this dataset — 146 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 90% arrived on time, comfortably above the national average of 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 5 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 0.40
- last 12 months
- Duration
- 5h 33m
- scheduled
- Distance
- 2,384 mi
Monthly on-time trend
Best time to fly from SJC to KOA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 7 min |
| Tuesday | 90% | 5 min |
| Wednesday | 91% | 5 min |
| Thursday | 90% | 4 min |
| Fridaybest | 91% | 3 min |
| Saturday | 89% | 5 min |
| Sunday | 89% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft22%
- Airline operations42%
- National airspace system30%
- Weather3%
- Security4%
Frequently asked questions
- How often are flights from SJC to KOA delayed?
- 10% of SJC–KOA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 5 minutes.
- How long is the flight from SJC to KOA?
- The scheduled SJC–KOA flight time averages 5h 33m over 2,384 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are SJC to KOA flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for SJC to KOA?
- Friday flights have the best record at 91% on-time. Day-of-week differences on this route are modest.
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Based on 420 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.