Sacramento (SMF) to Kona (KOA): On-Time Performance
Data through July 2026
The calendar drives reliability on SMF–KOA. June 2025 flights landed on schedule 98% of the time, but April 2026 dropped to 70% — a gap of 28 points. Across the full period the route averages 89% on-time against a national 78%.
- On-time
- 89%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 1.4
- last 12 months
- Duration
- 5h 32m
- scheduled
- Distance
- 2,435 mi
Best airline from SMF to KOA
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Hawaiian Airlinesmost reliable | 89% | 8 min | 0.8% | 236 |
| Southwest Airlines | 89% | 6 min | 0.0% | 514 |
| Alaska Airlines | 89% | 5 min | 0.0% | 90 |
Monthly on-time trend
Best time to fly from SMF to KOA
Aim for departures around 9 a.m. (91% on-time); avoid 10 a.m. departures (85%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 91% | 6 min |
| Tuesday | 89% | 4 min |
| Wednesday | 92% | 5 min |
| Thursday | 87% | 8 min |
| Fridaybest | 92% | 7 min |
| Saturday | 85% | 11 min |
| Sunday | 89% | 4 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft10%
- Airline operations72%
- National airspace system17%
- Weather2%
Frequently asked questions
- How often are flights from SMF to KOA delayed?
- 11% of SMF–KOA 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 SMF to KOA?
- Hawaiian Airlines has the best on-time record on this route at 89%, based on 236 flights. 3 airlines flew SMF–KOA frequently enough to compare in this period.
- What is the best time of day to fly from SMF to KOA?
- Departures around 9 a.m. have the best record (91% on-time), while departures around 10 a.m. have the worst (85%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SMF to KOA?
- The scheduled SMF–KOA flight time averages 5h 32m over 2,435 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are SMF to KOA flights cancelled?
- 0.2% 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 SMF to KOA?
- April 2026 was the roughest month in this dataset, with only 70% of arrivals on time. The best was June 2025 at 98%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 840 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.