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

United Airlines St. Louis, MO (STL) to Houston, TX (IAH) reliability

Among 360 scheduled United Airlines flights from STL to IAH, 82.2% arrived on time, 9.2% arrived at least 30 minutes late, and 1.4% 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
82.2%arrived on time
9.2%30+ min late
1.4%cancelled
360scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late9.2%
60+ minutes late4.4%
Cancelled1.4%
Average arrival-4.0 mincompleted flights

What did United Airlines STL to IAH record?

United Airlines completed 98.6% of its scheduled reportable STL to IAH flights in the observation window. 82.2% of all scheduled flights arrived less than 15 minutes late, while 4.4% arrived at least an hour late.

What were United Airlines STL to IAH disruption rates?

For United Airlines STL-to-IAH flights, 9.2% arrived at least 30 minutes late, 1.4% were cancelled, and 0.0% were diverted.

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What was the United Airlines STL to IAH scheduled cohort?

The United Airlines STL-to-IAH cohort contained 360 scheduled flights; 355 completed, 5 were cancelled, and 0 were diverted.

Not a prediction.

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