Route · KOA → SJC · 2020–2025 BTS data
Kona to San Jose
The KOA–SJC corridor (Kona, HI → San Jose, CA) runs ahead of the national average, served by 3 carriers across roughly 2,384 miles.
Data updated 2026-06-13
- 82.9%
- On-time
- +3.9 pts
- vs US avg
- 67 min
- Delay when late
- 2,126
- Flights
Cancelled
0.6%
Best Month
Sep 2023 97%
Worst Month
Dec 2022 63%
Distance
2,384 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2024 | 31 | 8 | 0 | 0 | AS |
| Oct 2024 | 30 | 4 | 0 | 0 | AS |
| Aug 2024 | 31 | 2 | 0 | 0 | AS |
| Jul 2024 | 31 | 8 | 0 | 0 | AS |
| Dec 2023 | 42 | 6 | 0 | 2 | WN,AS |
| Nov 2023 | 40 | 2 | 0 | 0 | AS,WN |
| Oct 2023 | 62 | 9 | 0 | 0 | AS,WN |
| Sep 2023 | 60 | 2 | 0 | 0 | AS,WN |
| Aug 2023 | 62 | 12 | 0 | 0 | AS,WN |
| Jul 2023 | 62 | 12 | 0 | 0 | AS,WN |
| Jun 2023 | 60 | 17 | 1 | 0 | AS,WN |
| May 2023 | 62 | 6 | 0 | 0 | AS,WN |
| Apr 2023 | 60 | 14 | 0 | 0 | WN,AS |
| Mar 2023 | 56 | 11 | 0 | 0 | WN,AS |
| Feb 2023 | 44 | 8 | 0 | 0 | AS,WN |
| Jan 2023 | 52 | 9 | 1 | 0 | AS,WN |
| Dec 2022 | 56 | 21 | 3 | 0 | AS,WN |
| Nov 2022 | 52 | 11 | 0 | 0 | WN,AS |
| Oct 2022 | 49 | 6 | 0 | 0 | WN,AS |
| Sep 2022 | 50 | 7 | 0 | 1 | WN,AS |
| Aug 2022 | 62 | 12 | 1 | 1 | AS,WN |
| Jul 2022 | 62 | 11 | 0 | 0 | WN,AS |
| Jun 2022 | 58 | 18 | 1 | 1 | WN,AS |
| May 2022 | 48 | 7 | 0 | 0 | WN,AS |
Cancellation Rate
0.6%
7 of 1,222 flights
Diversion Rate
0.4%
5 of 1,222 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
KOA - Kona
Full on-time, delay-cause, and seasonal performance for Kona, HI.
Origin airport →SJC - San Jose
Full on-time, delay-cause, and seasonal performance for San Jose, CA.
Destination airport →Compare the two airports
See KOA and SJC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to KOA–SJC.
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What the Data Says About KOA to SJC
Bureau of Transportation Statistics records show Kona to San Jose (KOA to SJC) running a 82.9% on-time rate over 2,126 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 66.7 minutes. The 2,384-mile corridor is served by 3 carriers, and over the last 24 months 0.6% of 1,222 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Sep 2023 posted the strongest performance at 97% on-time, while Dec 2022 came in at just 63% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.