ON TIMEBOARD

DEN → HNL on time

Denver (Denver, CO) to Honolulu (Honolulu, HI). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
0.5%
650 flights
Typical arrival
−3 min
median vs schedule
When late
+75 min
average delay
Flights / day
2
1 airline

76% of flights from Denver to Honolulu arrived on time over the past 12 months. That is worse than the typical U.S. route. The noon departures ran on time 80% of the time; the 4 p.m. ones 70%. 9% 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 DEN → HNL: when a flight was late, it was under 45 minutes late 58% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 34 three hours or more; 0.5% were cancelled outright.

Share of all 650 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines65076%0.5%−3 min7.4%+75 minUnited 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 DEN). 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 (31 flights)11anoon departures: 80% on time (334 flights)8012p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (19 flights)2p3 p.m. departures: too few flights (2 flights)3p4 p.m. departures: 70% on time (264 flights)704p
DEN → HNL, 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

Last flight of the day

On DEN → HNL, each airline's last flight of the day was cancelled 0.8% of the time, against 0.4% for its earlier flights (2.1× as often). It arrived 3+ hours late 3.4% of the time (earlier flights: 2.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines4:00 p.m.0.8%3.4%0.4%first flight 12:00 p.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in HNL tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: September (87%). Worst: July (60%).

40%70%100%Jan: 79% on time (135 flights)79JanFeb: 68% on time (111 flights)68FebMar: 75% on time (177 flights)75MarApr: 77% on time (180 flights)77AprMay: 75% on time (186 flights)75MayJun: 69% on time (180 flights)69JunJul: 60% on time (186 flights)60JulAug: 63% on time (164 flights)63AugSep: 87% on time (108 flights)87SepOct: 82% on time (126 flights)82OctNov: 80% on time (104 flights)80NovDec: 77% on time (176 flights)77Dec

By day of week

DayFlightsOn timeCancelled
Monday92——
Tuesday88——
Wednesday88——
Thursday92——
Friday92——
Saturday10771%2.8%
Sunday91——

Why flights were late

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

Airline (crew, maintenance, ops) 45%Late inbound plane 35%Air traffic & airport (NAS) 18%Severe weather 2%

Cancellations: weather 2 · 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
UA 38412:00 p.m.36580%0.3%−4 minUnited Airlines
UA 18054:00 p.m.26369%0.8%−2 minUnited Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 20, 202530%0
Jan 1, 202630%0
Jan 4, 2026333%0
Dec 26, 2025333%0
Dec 25, 2025367%0

Questions

How often are flights from DEN to HNL on time?

76% of 650 scheduled flights from Denver, CO to Honolulu, HI arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What is the best time of day to fly DEN to HNL?

Flights scheduled to leave at noon were the most reliable (80% on time). The 4 p.m. departures were the least (70%).

What month has the most delays from DEN to HNL?

July (60% on time). The best month is September (87%), over 2023–2026.

Is the last flight of the day from DEN to HNL more likely to be cancelled?

Yes. Each airline's last DEN–HNL flight of the day was cancelled 0.8% of the time over the past year, against 0.4% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

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.