Historical on-time performance
Honolulu to Agana
3,801 miData through Dec 2025Source: US DOT · BTS
Flights on HNL–GUM arrive on time 86% of the time over the last 12 months.
On-time rate86%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.0%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-time86%Medianon timep9020 minCancel0.0%Flights337
Why flights run late
Delay causes
- Airline40%
- Weather1%
- Air traffic (NAS)10%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 86% on time.
- Mondays86% on time · p90 15 min · 157 flights · limited
- Sundays85% on time · p90 20 min · 157 flights · limited
- Tuesdays83% on time · p90 20 min · 157 flights · limited
- Thursdays81% on time · p90 25 min · 156 flights · limited
- Wednesdays80% on time · p90 30 min · 157 flights · limited
- Saturdays80% on time · p90 30 min · 156 flights · limited
- Fridays78% on time · p90 30 min · 156 flights · limited
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