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

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

Among 1,869 scheduled United Airlines flights from IAD to IAH, 83.1% arrived on time, 10.3% arrived at least 30 minutes late, and 0.5% 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
83.1%arrived on time
10.3%30+ min late
0.5%cancelled
1,869scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.3%
60+ minutes late5.6%
Cancelled0.5%
Average arrival-0.1 mincompleted flights

What did United Airlines IAD to IAH record?

United Airlines completed 99.4% of its scheduled reportable IAD to IAH flights in the observation window. 83.1% of all scheduled flights arrived less than 15 minutes late, while 5.6% arrived at least an hour late.

What were United Airlines IAD to IAH disruption rates?

For United Airlines IAD-to-IAH flights, 10.3% arrived at least 30 minutes late, 0.5% were cancelled, and 0.2% were diverted.

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What was the United Airlines IAD to IAH scheduled cohort?

The United Airlines IAD-to-IAH cohort contained 1,869 scheduled flights; 1,857 completed, 9 were cancelled, and 3 were diverted.

Not a prediction.

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