BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
IAH→SAT

United Airlines Houston, TX (IAH) to San Antonio, TX (SAT) reliability

Among 2,326 scheduled United Airlines flights from IAH to SAT, 82.2% arrived on time, 10.2% 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
82.2%arrived on time
10.2%30+ min late
0.5%cancelled
2,326scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.2%
60+ minutes late5.5%
Cancelled0.5%
Average arrival+3.1 mincompleted flights

What did United Airlines IAH to SAT record?

United Airlines completed 99.5% of its scheduled reportable IAH to SAT flights in the observation window. 82.2% of all scheduled flights arrived less than 15 minutes late, while 5.5% arrived at least an hour late.

What were United Airlines IAH to SAT disruption rates?

For United Airlines IAH-to-SAT flights, 10.2% arrived at least 30 minutes late, 0.5% were cancelled, and 0.0% were diverted.

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What was the United Airlines IAH to SAT scheduled cohort?

The United Airlines IAH-to-SAT cohort contained 2,326 scheduled flights; 2,314 completed, 11 were cancelled, and 1 were diverted.

Not a prediction.

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