Guam (GUM) to Honolulu (HNL): On-Time Performance
Data through May 2026
Guam (GUM) to Honolulu (HNL) effectively runs on two schedules. In March 2025, 100% of arrivals were on time; in June 2024 that fell to 70% — a 30-point seasonal swing. Across the full period the route averages 91% on-time against a national 78%.
- On-time
- 91%
- arrived <15 min late
- Avg delay
- 6 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 1.0
- last 12 months
- Duration
- 7h 14m
- scheduled
- Distance
- 3,801 mi
Monthly on-time trend
Best time to fly from GUM to HNL
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 93% | 5 min |
| Tuesday | 94% | 3 min |
| Wednesday | 84% | 10 min |
| Thursday | 93% | 3 min |
| Fridaybest | 95% | 3 min |
| Saturday | 84% | 12 min |
| Sunday | 92% | 3 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations80%
- National airspace system21%
Frequently asked questions
- How often are flights from GUM to HNL delayed?
- 9% of GUM–HNL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 6 minutes.
- How long is the flight from GUM to HNL?
- The scheduled GUM–HNL flight time averages 7h 14m over 3,801 miles. Actual arrival times vary — flights on this route land 15+ minutes late 9% of the time.
- How often are GUM to HNL flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from GUM to HNL?
- June 2024 was the roughest month in this dataset, with only 70% of arrivals on time. The best was March 2025 at 100%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 730 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.