Ontario (ONT) to Honolulu (HNL): On-Time Performance
Data through May 2026
When you fly ONT to HNL matters as much as anything else about the booking: the route swung from 97% on-time in July 2025 to just 65% in March 2026. Across the full period the route averages 87% on-time against a national 78%.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 1.0
- last 12 months
- Duration
- 6h 5m
- scheduled
- Distance
- 2,603 mi
Best airline from ONT to HNL
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 89% | 7 min | 0.3% | 354 |
| Hawaiian Airlines | 85% | 8 min | 0.5% | 378 |
Monthly on-time trend
Best time to fly from ONT to HNL
Departure time makes little difference on this route — on-time rates stay within a few points across the day.
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 10 min |
| Tuesday | 89% | 5 min |
| Wednesday | 85% | 8 min |
| Thursdaybest | 92% | 3 min |
| Friday | 82% | 10 min |
| Saturday | 82% | 7 min |
| Sunday | 91% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft2%
- Airline operations71%
- National airspace system26%
- Weather1%
Frequently asked questions
- How often are flights from ONT to HNL delayed?
- 13% of ONT–HNL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 7 minutes.
- Which airline is most reliable from ONT to HNL?
- Alaska Airlines has the best on-time record on this route at 89%, based on 354 flights. 2 airlines flew ONT–HNL frequently enough to compare in this period.
- What is the best time of day to fly from ONT to HNL?
- Departures around 10 a.m. have the best record (89% on-time), while departures around 8 a.m. have the worst (85%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ONT to HNL?
- The scheduled ONT–HNL flight time averages 6h 5m over 2,603 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are ONT to HNL flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ONT to HNL?
- March 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was July 2025 at 97%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 732 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.