Antonio B. Won Pat International Airport (GUM): Delays & On-Time Performance
Data through May 2026
Antonio B. Won Pat International Airport (GUM) runs noticeably smoother than most US airports: 89% of its ~2 daily departures leave on time, 11 points above the national average, with an average departure delay of just 7 minutes. 1 airlines fly from Guam, TT to 2 destinations.
- Departures on-time
- 89%
- left <15 min late
- Avg dep delay
- 7 min
- Arrivals on-time
- 86%
- Cancelled
- 1.5%
- Destinations
- 2
- nonstop
- Airlines
- 1
Monthly on-time trend
Best time of day to depart from GUM
Busiest routes from GUM
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| GUM → HNL | 365 | 91% | 6 min |
| GUM → SPN | 365 | 93% | 6 min |
Frequently asked questions
- How often are flights delayed at GUM?
- 11% of departures from Antonio B. Won Pat International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 7 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at GUM?
- 1.5% of scheduled departures from GUM were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Based on 1,462 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.