GUM Today
Pick Your Window
Midday vs Late Morning is a 28-point swing at GUM. The midday block runs at 100%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
vs Last Week
This week is 7 points better on departures (85% vs 78%). Arrivals roughly the same. Fri was the worst day, Sat the best.
The Bigger Picture
GUM has been bouncing between 66% and 100%. Best day was Feb 19 at 100%. Worst was Mar 13 at 66%. The norm is 83-89%, which is just how GUM runs.
About GUM Delays
Antonio B. Won Pat International Airport has averaged 85% on-time departures this week, making it highly reliable. Performance varies by time of day and weather conditions.
Antonio B. Won Pat International Airport is one of 179 FAA-monitored US airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 5 minutes, with historical trends available for the past 90 days.
Nearby alternatives include SPN (Saipan International Airport). When GUM is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Antonio B. Won Pat International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.