Houston (IAH) to Honolulu (HNL): On-Time Performance
Data through May 2026
Houston (IAH) to Honolulu (HNL) effectively runs on two schedules. In March 2025, 94% of arrivals were on time; in December 2024 that fell to 55% — a 39-point seasonal swing. Across the full period the route averages 74% on-time against a national 78%.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 1.0
- last 12 months
- Duration
- 8h 32m
- scheduled
- Distance
- 3,904 mi
Monthly on-time trend
Best time to fly from IAH to HNL
Aim for departures around 10 a.m. (76% on-time); avoid 12 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 78% | 16 min |
| Tuesday | 72% | 17 min |
| Wednesday | 71% | 16 min |
| Thursday | 71% | 14 min |
| Friday | 73% | 16 min |
| Saturday | 78% | 11 min |
| Sunday | 75% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations51%
- National airspace system18%
- Weather5%
Frequently asked questions
- How often are flights from IAH to HNL delayed?
- 26% of IAH–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 15 minutes.
- What is the best time of day to fly from IAH to HNL?
- Departures around 10 a.m. have the best record (76% on-time), while departures around 12 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to HNL?
- The scheduled IAH–HNL flight time averages 8h 32m over 3,904 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are IAH to HNL flights cancelled?
- 0.7% 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 IAH to HNL?
- December 2024 was the roughest month in this dataset, with only 55% of arrivals on time. The best was March 2025 at 94%. If your dates are flexible, that 39-point gap is worth planning around.
Explore related pages
More routes from IAH
Other ways to fly to Honolulu (HNL)
Related guides
Based on 804 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.