Honolulu (HNL) to Guam (GUM): On-Time Performance
Data through July 2026
The calendar drives reliability on HNL–GUM. October 2025 flights landed on schedule 97% of the time, but March 2026 dropped to 55% — a gap of 42 points. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 1.0
- last 12 months
- Duration
- 7h 44m
- scheduled
- Distance
- 3,801 mi
Monthly on-time trend
Best time to fly from HNL to GUM
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 85% | 16 min |
| Tuesday | 83% | 9 min |
| Wednesday | 84% | 7 min |
| Thursday | 84% | 10 min |
| Friday | 77% | 11 min |
| Saturday | 81% | 12 min |
| Sunday | 82% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations33%
- National airspace system29%
- Weather2%
Frequently asked questions
- How often are flights from HNL to GUM delayed?
- 18% of HNL–GUM 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 11 minutes.
- How long is the flight from HNL to GUM?
- The scheduled HNL–GUM flight time averages 7h 44m over 3,801 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are HNL to GUM flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from HNL to GUM?
- March 2026 was the roughest month in this dataset, with only 55% of arrivals on time. The best was October 2025 at 97%. If your dates are flexible, that 42-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.