Historical on-time performance
Houston to Honolulu
3,904 miData through May 2026Source: US DOT · BTS
Flights on IAH–HNL arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 345 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time78%Medianon timep9030 minCancel0.0%Flights345
Why flights run late
Delay causes
- Airline40%
- Weather3%
- Air traffic (NAS)21%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline56%
- Weather11%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 9 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → HNL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 72% on time.
- Middays72% on time · p90 40 min · 503 flights
- Mornings67% on time · p90 40 min · 679 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 73% on time.
- Saturdays73% on time · p90 30 min · 183 flights · limited
- Tuesdays70% on time · p90 40 min · 166 flights · limited
- Fridays69% on time · p90 45 min · 167 flights · limited
- Wednesdays69% on time · p90 40 min · 166 flights · limited
- Mondays68% on time · p90 45 min · 166 flights · limited
- Sundays68% on time · p90 40 min · 167 flights · limited
- Thursdays66% on time · p90 40 min · 167 flights · limited
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