Kona (KOA) to Sacramento (SMF): On-Time Performance
Data through July 2026
When you fly KOA to SMF matters as much as anything else about the booking: the route swung from 98% on-time in June 2025 to just 73% in March 2026. Across the full period the route averages 90% on-time against a national 78%.
- On-time
- 90%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.1%
- Flights/day
- 1.4
- last 12 months
- Duration
- 5h 11m
- scheduled
- Distance
- 2,435 mi
Best airline from KOA to SMF
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 93% | 6 min | 0.0% | 513 |
| Hawaiian Airlines | 85% | 9 min | 0.4% | 236 |
| Alaska Airlines | 83% | 9 min | 0.0% | 90 |
Monthly on-time trend
Best time to fly from KOA to SMF
Aim for departures around 10 a.m. (93% on-time); avoid 1 p.m. departures (68%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 9 min |
| Tuesdaybest | 99% | 1 min |
| Wednesday | 86% | 6 min |
| Thursday | 88% | 14 min |
| Friday | 95% | 5 min |
| Saturday | 88% | 9 min |
| Sunday | 93% | 2 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations59%
- National airspace system14%
- Weather1%
Frequently asked questions
- How often are flights from KOA to SMF delayed?
- 11% of KOA–SMF 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 7 minutes.
- Which airline is most reliable from KOA to SMF?
- Southwest Airlines has the best on-time record on this route at 93%, based on 513 flights. 3 airlines flew KOA–SMF frequently enough to compare in this period.
- What is the best time of day to fly from KOA to SMF?
- Departures around 10 a.m. have the best record (93% on-time), while departures around 1 p.m. have the worst (68%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from KOA to SMF?
- The scheduled KOA–SMF flight time averages 5h 11m over 2,435 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are KOA to SMF flights cancelled?
- 0.1% 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 SMF?
- March 2026 was the roughest month in this dataset, with only 73% of arrivals on time. The best was June 2025 at 98%. If your dates are flexible, that 25-point gap is worth planning around.
Explore related pages
More routes from KOA
Other ways to fly to Sacramento (SMF)
Related guides
Based on 839 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.