BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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IAH→IAD

United Airlines Houston, TX (IAH) to Washington, DC (IAD) reliability

Among 1,867 scheduled United Airlines flights from IAH to IAD, 80.0% arrived on time, 12.3% arrived at least 30 minutes late, and 0.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: United Airlines (UA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.0%arrived on time
12.3%30+ min late
0.4%cancelled
1,867scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late12.3%
60+ minutes late6.1%
Cancelled0.4%
Average arrival+5.2 mincompleted flights

What did United Airlines IAH to IAD record?

United Airlines completed 99.5% of its scheduled reportable IAH to IAD flights in the observation window. 80.0% of all scheduled flights arrived less than 15 minutes late, while 6.1% arrived at least an hour late.

What were United Airlines IAH to IAD disruption rates?

For United Airlines IAH-to-IAD flights, 12.3% arrived at least 30 minutes late, 0.4% were cancelled, and 0.1% were diverted.

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What was the United Airlines IAH to IAD scheduled cohort?

The United Airlines IAH-to-IAD cohort contained 1,867 scheduled flights; 1,858 completed, 8 were cancelled, and 1 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.