United Airlines departures from Washington, DC (IAD)

Among 36,559 scheduled United Airlines flights departing IAD, 81.4% arrived on time, 11.1% arrived at least 30 minutes late, and 0.8% 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 SIGNALLower disruption

81.4%arrived on time

11.1%30+ min late

0.8%cancelled

36,559scheduled flights

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

30+ minutes late11.1%

60+ minutes late6.4%

Cancelled0.8%

Diverted0.3%

What does the United Airlines IAD sample show?

United Airlines completed 98.9% of its scheduled departures from IAD; 6.4% arrived at least one hour late and 0.3% were diverted.

What were United Airlines at IAD disruption rates?

For United Airlines departures from IAD, 11.1% arrived at least 30 minutes late, 0.8% were cancelled, and 0.3% were diverted.

Compare all airlines at IAD

How large was the United Airlines cohort at IAD?

The United Airlines cohort at IAD contained 36,559 scheduled flights, including 36,172 completed flights, 291 cancellations, and 96 diversions.