Kona (KOA) to San Jose (SJC): On-Time Performance
Data through July 2026
Kona (KOA) to San Jose (SJC) is a thinner route than most in this dataset — 154 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 78% arrived on time.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 0.42
- last 12 months
- Duration
- 5h 7m
- scheduled
- Distance
- 2,384 mi
Monthly on-time trend
Best time to fly from KOA to SJC
Aim for departures around 1 p.m. (86% on-time); avoid 2 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 10 min |
| Tuesday | 76% | 21 min |
| Wednesday | 75% | 18 min |
| Thursdaybest | 81% | 8 min |
| Friday | 78% | 19 min |
| Saturday | 72% | 23 min |
| Sunday | 81% | 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 aircraft69%
- Airline operations24%
- National airspace system7%
- Weather1%
Frequently asked questions
- How often are flights from KOA to SJC delayed?
- 22% of KOA–SJC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- What is the best time of day to fly from KOA to SJC?
- Departures around 1 p.m. have the best record (86% on-time), while departures around 2 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from KOA to SJC?
- The scheduled KOA–SJC flight time averages 5h 7m over 2,384 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are KOA to SJC flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for KOA to SJC?
- Thursday flights have the best record at 81% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 72%.
Explore related pages
More routes from KOA
Other ways to fly to San Jose (SJC)
Related guides
Based on 429 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.