Best Time to Fly ONT to HNL: On-Time Stats by Hour & Airline
Ontario International → Daniel K Inouye International
Data through July 2026 · Last updated October 18, 2026
423 flights were scheduled from Ontario (ONT) to Honolulu (HNL) in the last 12 months, and 86.7% of those that flew arrived on time, 9.1 points above the US average of 77.6%.
Among 2 airlines, Southwest Airlines led with 98.3% on time and Alaska Airlines was last with 84.9%.
Over 24 months, Thursday was the most reliable day (91% on time) and March the worst month (73%).
The cancellation rate was 0.2% (US average 1.8%).
ONT 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 | 98.3% | 52 min | 0.0% | 58 |
| Alaska Airlines | 84.9% | 49 min | 0.3% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ONT to HNL
On-time arrival % by scheduled departure hour (local time), 790 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 1 | |
| 7am–8am | Limited data | 27 | |
| 8am–9am | 87.6% | 0.0% | 259 |
| 9am–10am | 84.0% | 0.5% | 396 |
| 10am–11am | 89.4% | 0.0% | 85 |
| 11am–12pm | Limited data | 22 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ONT 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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 86.7% | +1.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 88.9% | +3.2 pts | 0.0% | 171 |
| All other days | 85.6% | — | 0.5% | 575 |
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).