BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRPORT × AIRLINE REPORT
IAH

United Airlines departures from Houston, TX (IAH)

Among 74,010 scheduled United Airlines flights departing IAH, 78.9% arrived on time, 13.4% arrived at least 30 minutes late, and 0.7% 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
78.9%arrived on time
13.4%30+ min late
0.7%cancelled
74,010scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late13.4%
60+ minutes late7.2%
Cancelled0.7%
Diverted0.2%

What does the United Airlines IAH sample show?

United Airlines completed 99.1% of its scheduled departures from IAH; 7.2% arrived at least one hour late and 0.2% were diverted.

What were United Airlines at IAH disruption rates?

For United Airlines departures from IAH, 13.4% arrived at least 30 minutes late, 0.7% were cancelled, and 0.2% were diverted.

Compare all airlines at IAH

How large was the United Airlines cohort at IAH?

The United Airlines cohort at IAH contained 74,010 scheduled flights, including 73,340 completed flights, 494 cancellations, and 176 diversions.