Best Time to Fly HNL to ITO: On-Time Stats by Hour & Airline
Daniel K Inouye International → Hilo International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.6% of Honolulu (HNL) to Hilo (ITO) flights arrived on time (6,294 scheduled flights). That is 6.9 points above the national average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 89.5%, while Alaska Airlines trailed at 79.2%.
September has been the best month (94% on time) and Friday the weakest day of the week (84%).
1.0% of flights were cancelled, versus 1.8% nationally.
HNL to ITO 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 | 89.5% | 44 min | 0.5% | 1,830 |
| Hawaiian Airlines | 87.2% | 33 min | 0.3% | 1,831 |
| Alaska Airlines | 79.2% | 38 min | 1.8% | 2,633 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HNL to ITO
On-time arrival % by scheduled departure hour (local time), 12,673 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 5 | |
| 6am–7am | 95.7% | 0.4% | 1,432 |
| 7am–8am | 93.3% | 0.5% | 762 |
| 8am–9am | 94.5% | 1.1% | 1,132 |
| 9am–10am | 93.8% | 2.7% | 697 |
| 10am–11am | 89.5% | 1.0% | 804 |
| 11am–12pm | 90.5% | 2.3% | 473 |
| 12pm–1pm | 83.4% | 0.8% | 721 |
| 1pm–2pm | 83.6% | 0.6% | 1,149 |
| 2pm–3pm | 80.6% | 1.9% | 516 |
| 3pm–4pm | 76.7% | 0.9% | 685 |
| 4pm–5pm | 79.3% | 1.6% | 754 |
| 5pm–6pm | 86.0% | 0.9% | 1,095 |
| 6pm–7pm | 80.6% | 1.0% | 626 |
| 7pm–8pm | 85.3% | 0.9% | 932 |
| 8pm–9pm | 88.8% | 1.3% | 635 |
| 9pm–10pm | 82.6% | 0.8% | 255 |
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 ITO
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) | 89.6% | +1.7 pts | 0.4% | 232 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.6% | -6.3 pts | 0.2% | 512 |
| Summer peak (Jun 15 - Aug 15) | 86.1% | -1.8 pts | 0.7% | 2,169 |
| All other days | 87.9% | — | 1.2% | 9,760 |
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).