Route Reliability
Kailua-Kona → San Jose
KOA–SJC · 2,384 miles · Ellison Onizuka Kona International Airport to San José Mineta International Airport
- 72%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 0%
- Cancelled
- 146
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 72% of the time across 146 flights. No comparison to make.
What the data says
The 3–6 PM departure wins.
KOA–SJC flights departing between 3–6 PM arrived on time 80% of the time, versus 64% between 12–3 PM.
Monday comes out ahead.
A small edge: 76% on time on Mondays against 72% on Fridays.
It basically never cancels.
Out of 146 scheduled flights, only 0.0% were cancelled.
Ticking up lately.
KOA–SJC flights arrived on time 82% of the time over the last three months in the data, compared with 76% in the three months before that.
Flights on this route
The breakdown
- Mon76%(46 flights)
- Tue—(0 flights)
- Wed73%(41 flights)
- Thu—(0 flights)
- Fri72%(47 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- 12–3 PM64%(70 flights)
- 3–6 PM80%(74 flights)
Jun 54% → May 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 54% | 13 |
| July 2025 | 62% | 13 |
| August 2025 | 85% | 13 |
| September 2025 | 92% | 12 |
| October 2025 | 39% | 13 |
| November 2025 | 92% | 12 |
| December 2025 | 86% | 14 |
| February 2026 | 50% | 10 |
| March 2026 | 69% | 16 |
| April 2026 | 85% | 13 |
| May 2026 | 92% | 13 |
Same trip, other airports
Keep nerding
Based on 146 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.