Route · KOA → SFO · 2020–2025 BTS data
Kona to San Francisco
The KOA–SFO corridor (Kona, HI → San Francisco, CA) runs ahead of the national average, served by 3 carriers across roughly 2,367 miles.
Data updated 2026-06-13
- 89.1%
- On-time
- +10.1 pts
- vs US avg
- 102 min
- Delay when late
- 5,090
- Flights
Cancelled
1.2%
Best Month
Sep 2024 98%
Worst Month
Oct 2025 72%
Distance
2,367 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 91 | 14 | 1 | 0 | AS,UA |
| Nov 2025 | 62 | 10 | 0 | 0 | UA,AS |
| Oct 2025 | 67 | 19 | 1 | 0 | AS,UA |
| Sep 2025 | 77 | 5 | 0 | 0 | UA,AS |
| Aug 2025 | 83 | 15 | 0 | 0 | UA,AS |
| Jul 2025 | 84 | 11 | 0 | 0 | AS,UA |
| Jun 2025 | 75 | 10 | 0 | 0 | AS,UA |
| May 2025 | 67 | 8 | 0 | 0 | UA |
| Apr 2025 | 64 | 14 | 1 | 0 | UA |
| Mar 2025 | 62 | 7 | 0 | 0 | UA |
| Feb 2025 | 32 | 2 | 0 | 1 | UA |
| Jan 2025 | 45 | 9 | 0 | 0 | UA |
| Dec 2024 | 59 | 7 | 0 | 0 | UA |
| Nov 2024 | 42 | 7 | 1 | 0 | UA |
| Oct 2024 | 62 | 5 | 0 | 0 | UA |
| Sep 2024 | 60 | 1 | 4 | 0 | UA |
| Aug 2024 | 65 | 3 | 0 | 0 | UA |
| Jul 2024 | 66 | 6 | 2 | 1 | UA |
| Jun 2024 | 65 | 5 | 0 | 0 | UA |
| May 2024 | 66 | 9 | 0 | 0 | UA |
| Apr 2024 | 64 | 5 | 3 | 0 | UA |
| Mar 2024 | 63 | 8 | 0 | 0 | UA |
| Feb 2024 | 62 | 7 | 1 | 0 | UA |
| Jan 2024 | 73 | 12 | 4 | 0 | UA |
Cancellation Rate
1.2%
18 of 1,556 flights
Diversion Rate
0.1%
2 of 1,556 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 →SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Destination airport →Compare the two airports
See KOA and SFO 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–SFO.
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What the Data Says About KOA to SFO
Kona to San Francisco (KOA to SFO) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.1% on-time rate across 5,090 flights, with delays that do happen averaging 101.6 minutes. The corridor runs roughly 2,367 miles and is served by 3 carriers. Over the most recent 24 months, 18 of 1,556 flights were cancelled (1.2%) and 2 diverted (0.1%).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 98% on-time, while Oct 2025 came in at just 72% - a 27-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.