Kona (KOA) to San Francisco (SFO): On-Time Performance
Data through July 2026
Kona (KOA) to San Francisco (SFO) effectively runs on two schedules. In September 2024, 98% of arrivals were on time; in October 2025 that fell to 71% — a 27-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 3.2
- last 12 months
- Duration
- 5h 9m
- scheduled
- Distance
- 2,368 mi
Best airline from KOA to SFO
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 88% | 12 min | 1.1% | 1,673 |
| Alaska Airlines | 72% | 19 min | 0.4% | 260 |
Monthly on-time trend
Best time to fly from KOA to SFO
Aim for departures around 7 a.m. (100% on-time); avoid 4 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 88% | 5 min |
| Tuesdaybest | 88% | 10 min |
| Wednesday | 87% | 15 min |
| Thursday | 81% | 31 min |
| Friday | 85% | 11 min |
| Saturday | 85% | 9 min |
| Sunday | 85% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations49%
- National airspace system12%
Frequently asked questions
- How often are flights from KOA to SFO delayed?
- 15% of KOA–SFO flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from KOA to SFO?
- United Airlines has the best on-time record on this route at 88%, based on 1,673 flights. 2 airlines flew KOA–SFO frequently enough to compare in this period.
- What is the best time of day to fly from KOA to SFO?
- Departures around 7 a.m. have the best record (100% on-time), while departures around 4 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from KOA to SFO?
- The scheduled KOA–SFO flight time averages 5h 9m over 2,368 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are KOA to SFO flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from KOA to SFO?
- October 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was September 2024 at 98%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
More routes from KOA
Other ways to fly to San Francisco (SFO)
Related guides
Based on 1,933 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.