GUM to HNL flight delays & on-time performance
Nonstop flights from Antonio B. Won Pat International Airport to Daniel K. Inouye International Airport · 3,801 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GUM or HNL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Guam (GUM) to Honolulu (HNL) arrived on time 88% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.7% were cancelled, and 4% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Friday was the most reliable day to fly (96% on time) and Saturday the least (80%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (74%).
Which airline is most on time from GUM to HNL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 88% | 2.7% | 10 min | 3.7% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday85%7.7% cancelled
- Tuesday94%5.8% cancelled
- Wednesday84%1.9% cancelled
- Thursday90%1.9% cancelled
- Friday96%0.0% cancelled
- Saturday80%1.9% cancelled
- Sunday88%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)74%
- Air traffic control & airport congestion14%
- Late-arriving aircraft12%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Airline (crew, maintenance, cleaning, fueling)40%
- Air traffic control & airport congestion0%
- Security0%
GUM to HNL: common questions
- How often are GUM to HNL flights on time?
- 88% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Guam to Honolulu cancelled?
- 2.7% of scheduled flights were cancelled (10 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 10 min (early arrivals count as zero). Flights that were late arrived 79 min behind schedule on average, and 3.7% of flights were an hour or more late.
- How long is taxi time at GUM?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: GUM → HNL, nonstop flights by US airlines that report to the DOT. How we calculate this.