Best Time to Fly KOA to SJC: On-Time Stats by Hour & Airline
Ellison Onizuka Kona International at Keahole → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
154 flights were scheduled from Kona (KOA) to San Jose (SJC) in the last 12 months, and 75.0% of those that flew arrived on time, 2.6 points below the US average of 77.6%.
Alaska Airlines was the only reporting airline with regular flights on this route.
August has been the best month (91% on time) and Saturday the weakest day of the week (72%).
0.0% of flights were cancelled, versus 1.8% nationally.
KOA to SJC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 75.0% | 77 min | 0.0% | 154 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly KOA to SJC
On-time arrival % by scheduled departure hour (local time), 398 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 11am–12pm | Limited data | 5 | |
| 12pm–1pm | 83.0% | 0.0% | 129 |
| 1pm–2pm | 88.4% | 0.0% | 44 |
| 2pm–3pm | 60.7% | 0.0% | 85 |
| 3pm–4pm | 83.0% | 0.0% | 88 |
| 4pm–5pm | 78.1% | 0.0% | 32 |
| 5pm–6pm | Limited data | 15 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on KOA to SJC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 9 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 21 | ||
| Summer peak (Jun 15 - Aug 15) | 69.6% | -12.2 pts | 0.0% | 69 |
| All other days | 81.8% | — | 0.0% | 299 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).