HNL to GUM flight delays & on-time performance
Nonstop flights from Daniel K. Inouye International Airport to Antonio B. Won Pat International Airport · 3,801 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HNL or GUM right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Honolulu (HNL) to Guam (GUM) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.6% were cancelled, and 3% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 2pm did best (84% on time); around 3pm did worst (78%).
- Wednesday was the most reliable day to fly (87% on time) and Friday the least (70%).
- The largest source of delay minutes was air traffic control & airport congestion (48%).
Which airline is most on time from HNL to GUM?
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 | 82% | 1.6% | 11 min | 3.1% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 2pm84%211 flights
- 3pm78%154 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday84%1.9% cancelled
- Tuesday84%1.9% cancelled
- Wednesday87%0.0% cancelled
- Thursday87%0.0% cancelled
- Friday70%0.0% cancelled
- Saturday80%3.8% cancelled
- Sunday80%3.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion48%
- Airline (crew, maintenance, cleaning, fueling)28%
- Late-arriving aircraft22%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather83%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion0%
- Security0%
HNL to GUM: common questions
- How often are HNL to GUM flights on time?
- 82% 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 Honolulu to Guam cancelled?
- 1.6% of scheduled flights were cancelled (6 of 365).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 3.1% of flights were an hour or more late.
- How long is taxi time at HNL?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GUM to HNL — 88% on time
More flights from Honolulu
More flights to Guam
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HNL → GUM, nonstop flights by US airlines that report to the DOT. How we calculate this.