ON TIMEBOARD

HNL → ONT on time

Honolulu (Honolulu, HI) to Ontario (Ontario, CA). Every scheduled flight, September 2025 to August 2026.

On time
74%
arrived < 15 min late
Cancelled
0.2%
446 flights
Typical arrival
−1 min
median vs schedule
When late
+59 min
average delay
Flights / day
1
2 airlines

74% of flights from Honolulu to Ontario arrived on time over the past 12 months. That is worse than the typical U.S. route. The noon departures ran on time 84% of the time; the 2 p.m. ones 68%. 7% 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 HNL → ONT: when a flight was late, it was under 45 minutes late 61% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 74 three hours or more; 0.2% were cancelled outright.

Share of all 446 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines36572%0.3%−2 min8.2%+62 minAlaska Airlines
Southwest Airlines81—————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 HNL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%11 a.m. departures: too few flights (20 flights)11anoon departures: 84% on time (170 flights)8412p1 p.m. departures: 68% on time (111 flights)681p2 p.m. departures: 68% on time (118 flights)682p
HNL → ONT, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAlaska Airlines
noon79%
1 p.m.68%
2 p.m.68%

By month

Each calendar month pooled over 2023–2026. Best: June (85%). Worst: July (75%).

40%70%100%Jan: too few flights (94 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (93 flights)MarApr: too few flights (90 flights)AprMay: too few flights (93 flights)MayJun: 85% on time (117 flights)85JunJul: 75% on time (124 flights)75JulAug: 76% on time (116 flights)76AugSep: too few flights (90 flights)SepOct: too few flights (93 flights)OctNov: too few flights (90 flights)NovDec: too few flights (93 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday66——
Tuesday60——
Wednesday60——
Thursday65——
Friday65——
Saturday65——
Sunday65——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 46%Airline (crew, maintenance, ops) 37%Air traffic & airport (NAS) 15%Severe weather 3%

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.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 2712:54 p.m.29375%0.3%−3 minAlaska Airlines

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Honolulu or Ontario. HNL → LGB has been 7 points more reliable.

RouteFlightsOn timeCancelled
HNL → ONT (this route)44674%0.2%
HNL → LGB Honolulu to Long Beach73081%0.3%
HNL → LAX Honolulu to Los Angeles LAX5,54080%0.6%

Questions

How often are flights from HNL to ONT on time?

74% of 446 scheduled flights from Honolulu, HI to Ontario, CA 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 HNL to ONT?

Flights scheduled to leave at noon were the most reliable (84% on time). The 2 p.m. departures were the least (68%).

What month has the most delays from HNL to ONT?

July (75% on time). The best month is June (85%), over 2023–2026.

Related

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.