Historical on-time performance
Honolulu to Agana
3,801 miData through May 2026Source: US DOT · BTS
Flights on HNL–GUM arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time83%Medianon timep9025 minCancel1.2%Flights337
Why flights run late
Delay causes
- Airline38%
- Weather4%
- Air traffic (NAS)18%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 HNL → GUM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 85% on time.
- Wednesdays85% on time · p90 20 min · 156 flights · limited
- Mondays84% on time · p90 20 min · 156 flights · limited
- Sundays83% on time · p90 20 min · 157 flights · limited
- Thursdays83% on time · p90 25 min · 157 flights · limited
- Tuesdays83% on time · p90 20 min · 156 flights · limited
- Saturdays78% on time · p90 30 min · 157 flights · limited
- Fridays76% on time · p90 35 min · 157 flights · limited
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