Best Time to Fly IAH to HNL: On-Time Stats by Hour & Airline
George Bush Intercontinental/Houston → Daniel K Inouye International
Data through July 2026 · Last updated October 18, 2026
365 flights were scheduled from Houston (IAH) to Honolulu (HNL) in the last 12 months, and 78.5% of those that flew arrived on time, 0.9 points above the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (77% on time) and June the worst month (56%).
The cancellation rate was 0.6% (US average 1.8%).
IAH to HNL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 78.5% | 45 min | 0.6% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IAH to HNL
On-time arrival % by scheduled departure hour (local time), 743 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 74.5% | 0.4% | 482 |
| 10am–11am | 74.1% | 0.4% | 248 |
| 12pm–1pm | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IAH to HNL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +13.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 63.1% | -13.3 pts | 0.0% | 130 |
| All other days | 76.4% | — | 0.7% | 569 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).