Route · KOA → SFO · 2020–2025 BTS data
Kona to San Francisco
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), KOA to SFO (Kona to San Francisco) ranks #2444 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89.1%
- On-time
- +10.1 pts
- vs US avg
- 102 min
- Delay when late
- 5,090
- Flights
- #2444 of 4927
- Corpus placement
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 |
KOA–SFO seasonal on-time pattern
Best: September (96.3%) · weakest: February (85.9%)
Strongest calendar month
September
96.3% on-time · ~67 flights/mo
Busiest calendar month
July
~93 flights/mo avg
Weakest calendar month
February
85.9% on-time · ~67 flights/mo
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.
KOA on-time profileSFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
SFO on-time profileCompare the two airports
See KOA and SFO side by side on delays, cancellations, and reliability.
Compare KOA vs SFOOrigin-hub reliability standing
Among KOA's stronger departures
KOA → SFO posts a 89.1% on-time rate, landing in the ≥85% band with 9 of 13 BTS-tracked routes leaving Kona. The same hub also shows 4 mid-band and 0 challenged departures · fleet-wide on-time rank #236 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to KOA–SFO.
Routes with a similar on-time rate
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.
On the multi-year calendar, KOA–SFO peaks in September at 96.3% on-time while July carries the heaviest traffic (~93 flights per month) ; the softest month is February at 85.9%, a 10.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does KOA to SFO rank among US routes by traffic? ▼
How often are flights delayed from KOA to SFO? ▼
What is the cancellation rate for KOA to SFO? ▼
How far is the flight from KOA to SFO? ▼
When is the best time to fly from KOA to SFO? ▼
Airports on this route
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.
Using KOA–SFO data
KOA–SFO runs 10.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare KOA and SFO airport profiles: delay causes and top routes differ even on the same corridor. KOA airport
- If your dates flex, September (96.3% on-time) beats February (85.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 89.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.