IAH to HNL flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Daniel K. Inouye International Airport · 3,904 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or HNL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Honolulu (HNL) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 4% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9am did best (81% on time); around 10am did worst (75%).
- Tuesday was the most reliable day to fly (86% on time) and Thursday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
Which airline is most on time from IAH to HNL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 79% | 0.5% | 11 min | 3.9% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am81%204 flights
- 10am75%161 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%0.0% cancelled
- Tuesday86%1.9% cancelled
- Wednesday82%1.9% cancelled
- Thursday73%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday75%0.0% cancelled
- Sunday77%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)43%
- Air traffic control & airport congestion29%
- Late-arriving aircraft18%
- Extreme weather10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
IAH to HNL: common questions
- How often are IAH to HNL flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Honolulu cancelled?
- 0.5% of scheduled flights were cancelled (2 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 45 min behind schedule on average, and 3.9% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: HNL to IAH — 82% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → HNL, nonstop flights by US airlines that report to the DOT. How we calculate this.