Houston (IAH) to Honolulu (HNL): On-Time Performance
Data through July 2026
Houston (IAH) to Honolulu (HNL) effectively runs on two schedules. In March 2025, 94% of arrivals were on time; in June 2026 that fell to 52% — a 42-point seasonal swing. Across the full period the route averages 73% on-time against a national 78%.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.9%
- 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 9 a.m. (74% on-time); avoid 12 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 77% | 19 min |
| Tuesday | 71% | 18 min |
| Wednesday | 73% | 13 min |
| Thursday | 70% | 15 min |
| Friday | 72% | 16 min |
| Saturday | 75% | 12 min |
| Sunday | 74% | 13 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 operations49%
- National airspace system20%
- Weather5%
Frequently asked questions
- How often are flights from IAH to HNL delayed?
- 27% of IAH–HNL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. 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 9 a.m. have the best record (74% on-time), while departures around 12 p.m. have the worst (67%). 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 27% of the time.
- How often are IAH to HNL flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IAH to HNL?
- June 2026 was the roughest month in this dataset, with only 52% of arrivals on time. The best was March 2025 at 94%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
More routes from IAH
Other ways to fly to Honolulu (HNL)
Related guides
Based on 805 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.