Best Time to Fly SMF to KOA: On-Time Stats by Hour & Airline
Sacramento International → Ellison Onizuka Kona International at Keahole
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 88.2% of Sacramento (SMF) to Kona (KOA) flights arrived on time (521 scheduled flights). That is 10.6 points above the national average of 77.6%.
Alaska Airlines was the most punctual of the 3 airlines on the route at 89.9%, while Southwest Airlines trailed at 87.6%.
May has been the best month (95% on time) and Saturday the weakest day of the week (85%).
0.2% of flights were cancelled, versus 1.8% nationally.
SMF to KOA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlines | 89.9% | 28 min | 0.0% | 90 |
| Hawaiian Airlines | 89.2% | 42 min | 1.5% | 66 |
| Southwest Airlines | 87.6% | 50 min | 0.0% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SMF to KOA
On-time arrival % by scheduled departure hour (local time), 826 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 88.4% | 0.0% | 138 |
| 8am–9am | 88.8% | 1.5% | 137 |
| 9am–10am | 91.1% | 0.0% | 407 |
| 10am–11am | 84.5% | 0.0% | 142 |
| 11am–12pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SMF to KOA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 28 | ||
| Summer peak (Jun 15 - Aug 15) | 89.4% | +0.1 pts | 0.0% | 161 |
| All other days | 89.3% | — | 0.3% | 624 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).