United Airlines departures from Portland, ME (PWM)

Among 851 scheduled United Airlines flights departing PWM, 75.7% arrived on time, 13.0% arrived at least 30 minutes late, and 2.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Origin and marketing-carrier cohort · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable

75.7%arrived on time

13.0%30+ min late

2.1%cancelled

851scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late13.0%

60+ minutes late7.8%

Cancelled2.1%

Diverted0.6%

What does the United Airlines PWM sample show?

United Airlines completed 97.3% of its scheduled departures from PWM; 7.8% arrived at least one hour late and 0.6% were diverted.

What were United Airlines at PWM disruption rates?

For United Airlines departures from PWM, 13.0% arrived at least 30 minutes late, 2.1% were cancelled, and 0.6% were diverted.

Compare all airlines at PWM

How large was the United Airlines cohort at PWM?

The United Airlines cohort at PWM contained 851 scheduled flights, including 828 completed flights, 18 cancellations, and 5 diversions.