Guam (GUM) to Honolulu (HNL): On-Time Performance
Data through July 2026
Guam (GUM) to Honolulu (HNL) effectively runs on two schedules. In March 2025, 100% of arrivals were on time; in May 2026 that fell to 77% — a 23-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
- 7 min
- completed flights
- Cancelled
- 2.1%
- 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 | 92% | 6 min |
| Tuesday | 94% | 3 min |
| Wednesday | 86% | 19 min |
| Thursday | 94% | 3 min |
| Fridaybest | 95% | 3 min |
| Saturday | 85% | 12 min |
| Sunday | 94% | 3 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft9%
- Airline operations74%
- National airspace system17%
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 2024-07 and 2026-07. The average arrival delay across completed flights was 7 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?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from GUM to HNL?
- May 2026 was the roughest month in this dataset, with only 77% of arrivals on time. The best was March 2025 at 100%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 761 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.