GUM Today

Combined OTP
Flights (Last 2 Hours)
Major Delays
Dep 30+ min late
Best Window
9am - 12pm
100% OTP

What This Means for You

Delay data is currently unavailable for GUM.

If you can choose your departure time: late morning flights (9am - 12pm) run at 100%. Afternoon (3pm - 6pm) drops to 72%. That is a 28-point difference from the same airport on the same day.

Saipan International Airport (SPN) is 129 miles away and running 100% today. If your route is available from both airports, SPN is the better bet right now.

GUM Flight Board

Live departures and arrivals at Antonio B. Won Pat International Airport.

Status Airline Flight Destination Sched Updated Gate
No flights match your search.
No flight data available.

Pick Your Window

Late Morning vs Afternoon is a 28-point swing at GUM. The late morning block runs at 100%. If you have any say in your departure time, this is the biggest thing you can control.

5am - 9am
Early Morning
92%
Best window
9am - 12pm
Late Morning
100%
Best window
12pm - 3pm
Midday
100%
Best window
3pm - 6pm
Afternoon
72%
Decent
6pm - 10pm
Evening
86%
Best window
12a 1 2 3 4 5 6 7 8 9 10 11 12p 1 2 3 4 5 6 7 8 9 10 11

Through the Day

vs Last Week

Down 7 points from last week (80% vs 87%). Arrivals roughly the same. Tue was the worst day, Sat the best.

Dep OTP
80%
-7%
Last week: 87%
Arr OTP
59%
+1%
Last week: 58%

The Bigger Picture

GUM has been bouncing between 59% and 100%. Best day was May 2 at 100%. Worst was Jun 3 at 59%. The norm is 82-88%, which is just how GUM runs.

About GUM Delays

Antonio B. Won Pat International Airport has averaged 80% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.

Antonio B. Won Pat International Airport is one of 179 FAA-monitored airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 15 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.

Source: FAA. Updated every 15 minutes.