85% of flights from Ontario to Honolulu arrived on time over the past 12 months. That is better than the typical U.S. route. The 8 a.m. departures ran on time 87% of the time; the 9 a.m. ones 75%. 3% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ONT → HNL: when a flight was late, it was under 45 minutes late 69% of the time. About 1 in 32 flights landed an hour or more late, and 1 in 446 three hours or more; 0.2% were cancelled outright.
- On time or early85%
- 15–30 min late7.4%
- 30–60 min late4.7%
- 1–2 hours late2.0%
- 2–3 hours late0.9%
- 3+ hours late0.2%
- Diverted0.0%
- Cancelled0.2%
Share of all 446 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Alaska Airlines | 365 | 82% | 0.3% | −7 min | 3.8% | +48 min | Alaska Airlines |
| Southwest Airlines | 81 | — | — | — | — | — | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at ONT). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | Alaska Airlines |
|---|---|
| 8 a.m. | 84% |
| 9 a.m. | 75% |
By month
Each calendar month pooled over 2023–2026. Best: June (90%). Worst: August (83%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 66 | — | — |
| Tuesday | 60 | — | — |
| Wednesday | 60 | — | — |
| Thursday | 65 | — | — |
| Friday | 65 | — | — |
| Saturday | 65 | — | — |
| Sunday | 65 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 1
Month by month
Not enough months with data to draw a trend.
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| AS 270 | 9:11 a.m. | 363 | 82% | 0.3% | −7 min | Alaska Airlines |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Ontario or Honolulu. LGB → HNL has been 4 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| ONT → HNL (this route) | 446 | 85% | 0.2% |
| LGB → HNL Long Beach to Honolulu | 730 | 89% | 0.4% |
| LAX → HNL Los Angeles LAX to Honolulu | 5,540 | 76% | 0.5% |
Questions
How often are flights from ONT to HNL on time?
85% of 446 scheduled flights from Ontario, CA to Honolulu, HI arrived within 15 minutes of schedule between September 2025 and August 2026. 0.2% were cancelled.
What is the best time of day to fly ONT to HNL?
Flights scheduled to leave at 8 a.m. were the most reliable (87% on time). The 9 a.m. departures were the least (75%).
What month has the most delays from ONT to HNL?
August (83% on time). The best month is June (90%), over 2023–2026.
Related
- HNL → ONT (return)
- Ontario (ONT) delays by hour
- Flights into Honolulu (HNL)
- Alaska Airlines on-time record
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.