Best Time to Fly ITO to HNL: On-Time Stats by Hour & Airline
Hilo International → Daniel K Inouye International
Data through July 2026 · Last updated October 18, 2026
6,290 flights were scheduled from Hilo (ITO) to Honolulu (HNL) in the last 12 months, and 83.4% of those that flew arrived on time, 5.8 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 3 airlines on the route at 94.1%, while Alaska Airlines trailed at 74.8%.
September has been the best month (94% on time) and Friday the weakest day of the week (83%).
1.1% of flights were cancelled, versus 1.8% nationally.
ITO to HNL 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 | 94.1% | 59 min | 0.7% | 1,830 |
| Hawaiian Airlines | 84.9% | 36 min | 0.3% | 1,830 |
| Alaska Airlines | 74.8% | 42 min | 1.8% | 2,630 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ITO to HNL
On-time arrival % by scheduled departure hour (local time), 12,668 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 6am–7am | 96.3% | 0.7% | 1,401 |
| 7am–8am | 94.4% | 0.3% | 930 |
| 8am–9am | 95.4% | 0.7% | 847 |
| 9am–10am | 89.2% | 1.4% | 789 |
| 10am–11am | 87.0% | 2.8% | 540 |
| 11am–12pm | 90.6% | 1.6% | 907 |
| 12pm–1pm | 85.0% | 1.6% | 816 |
| 1pm–2pm | 83.5% | 0.9% | 803 |
| 2pm–3pm | 79.7% | 0.5% | 188 |
| 3pm–4pm | 83.7% | 1.3% | 1,189 |
| 4pm–5pm | 78.6% | 0.8% | 891 |
| 5pm–6pm | 75.3% | 1.7% | 725 |
| 6pm–7pm | 86.3% | 0.6% | 1,203 |
| 7pm–8pm | 84.5% | 1.2% | 943 |
| 8pm–9pm | 78.3% | 1.4% | 220 |
| 9pm–10pm | 83.3% | 1.1% | 273 |
| 10pm–11pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ITO to HNL
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) | 88.7% | +1.6 pts | 0.4% | 232 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.9% | -3.2 pts | 0.2% | 511 |
| Summer peak (Jun 15 - Aug 15) | 87.3% | +0.2 pts | 0.7% | 2,170 |
| All other days | 87.1% | — | 1.2% | 9,755 |
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).