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Guam (GUM) departure delays

730 departures · 2 routes · January 2025 – August 2026

87.29%

Left on time

Within 15 minutes of schedule

1.92%

Cancelled

Share of departures

41 min

When late, late by

Average delayed departure

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Rank

Among graded US airports

What the record says about GUM

Departures from GUM leave close to schedule more often than most airports in the record. An airport this punctual is usually one with spare capacity in its runway slots.

Which airlines run best out of GUM

Airline	Departures	On time
United Airlines	730	89.9%

Routes out of GUM

GUM → SPN Saipan 365 flights · 90.78% on time A GUM → HNL Honolulu 365 flights · 89.08% on time A

Common questions

How bad are delays at Guam (GUM)?

87.29% of departures from GUM left within 15 minutes of schedule across 730 flights. That is better than most airports in this record.

How often are flights from GUM cancelled?

1.92% of scheduled departures did not operate.

Month by month

Jul 2025 peak 96 Jun 2026

On-time departure rate, %