Best Time to Fly HNL to KOA: On-Time Stats by Hour & Airline
Daniel K Inouye International → Ellison Onizuka Kona International at Keahole
Data through July 2026 · Last updated October 18, 2026
7,234 flights were scheduled from Honolulu (HNL) to Kona (KOA) in the last 12 months, and 85.9% of those that flew arrived on time, 8.3 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 91.0%, while Alaska Airlines trailed at 81.8%.
September has been the best month (94% on time) and Friday the weakest day of the week (85%).
1.1% of flights were cancelled, versus 1.8% nationally.
HNL 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 |
|---|---|---|---|---|
| Southwest Airlines | 91.0% | 44 min | 0.8% | 1,770 |
| Hawaiian Airlines | 87.8% | 37 min | 0.8% | 2,235 |
| Alaska Airlines | 81.8% | 37 min | 1.5% | 3,229 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HNL to KOA
On-time arrival % by scheduled departure hour (local time), 15,090 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.2% | 0.7% | 443 |
| 6am–7am | 95.8% | 1.0% | 1,358 |
| 7am–8am | 95.0% | 0.4% | 722 |
| 8am–9am | 95.8% | 0.6% | 1,112 |
| 9am–10am | 94.0% | 0.7% | 1,386 |
| 10am–11am | 90.2% | 1.5% | 853 |
| 11am–12pm | 87.8% | 0.9% | 1,078 |
| 12pm–1pm | 84.7% | 0.7% | 1,000 |
| 1pm–2pm | 82.4% | 0.5% | 1,267 |
| 2pm–3pm | 80.9% | 2.8% | 669 |
| 3pm–4pm | 77.7% | 2.2% | 732 |
| 4pm–5pm | 85.8% | 1.3% | 871 |
| 5pm–6pm | 86.3% | 1.1% | 1,232 |
| 6pm–7pm | 84.7% | 1.4% | 484 |
| 7pm–8pm | 86.4% | 0.3% | 686 |
| 8pm–9pm | 88.7% | 0.6% | 901 |
| 9pm–10pm | 83.7% | 0.3% | 296 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HNL 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) | 91.2% | +2.4 pts | 0.0% | 283 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.8% | -4.0 pts | 0.3% | 620 |
| Summer peak (Jun 15 - Aug 15) | 88.0% | -0.8 pts | 0.4% | 2,522 |
| All other days | 88.8% | — | 1.2% | 11,665 |
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).