ON TIMEBOARD
HNL Honolulu / IAH Houston

HNL → IAH on time

Honolulu (Honolulu, HI) to Houston Bush Intercontinental (Houston, TX). Every scheduled flight, September 2025 to August 2026.

On time
82%
arrived < 15 min late
Cancelled
0.3%
365 flights
Typical arrival
−5 min
median vs schedule
When late
+53 min
average delay
Flights / day
1
1 airline

82% of flights from Honolulu to Houston arrived on time over the past 12 months. That is about the typical U.S. route. The 7 p.m. departures ran on time 84% of the time; the 8 p.m. ones 81%. 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 HNL → IAH: when a flight was late, it was under 45 minutes late 82% of the time. About 1 in 61 flights landed an hour or more late, and 1 in 122 three hours or more; 0.3% were cancelled outright.

Share of all 365 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines36582%0.3%−5 min1.6%+53 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 HNL). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 p.m. departures: 84% on time (142 flights)847p8 p.m. departures: 81% on time (223 flights)818p
HNL → IAH, 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 month

Each calendar month pooled over 2023–2026. Best: June (89%). Worst: July (80%).

40%70%100%Jan: too few flights (93 flights)JanFeb: too few flights (85 flights)FebMar: too few flights (93 flights)MarApr: too few flights (90 flights)AprMay: 85% on time (110 flights)85MayJun: 89% on time (124 flights)89JunJul: 80% on time (128 flights)80JulAug: too few flights (93 flights)AugSep: 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
Monday53——
Tuesday52——
Wednesday52——
Thursday52——
Friday52——
Saturday52——
Sunday52——

Why flights were late

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

Airline (crew, maintenance, ops) 59%Air traffic & airport (NAS) 30%Late inbound plane 11%

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
UA 2528:30 p.m.36582%0.3%−5 minUnited Airlines

Questions

How often are flights from HNL to IAH on time?

82% of 365 scheduled flights from Honolulu, HI to Houston, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

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

Flights scheduled to leave at 7 p.m. were the most reliable (84% on time). The 8 p.m. departures were the least (81%).

What month has the most delays from HNL to IAH?

July (80% on time). The best month is June (89%), 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.