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

United Airlines San Francisco, CA (SFO) to Houston, TX (IAH) reliability

Among 3,600 scheduled United Airlines flights from SFO to IAH, 84.3% arrived on time, 8.3% arrived at least 30 minutes late, and 0.3% 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
84.3%arrived on time
8.3%30+ min late
0.3%cancelled
3,600scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late8.3%
60+ minutes late3.8%
Cancelled0.3%
Average arrival+0.2 mincompleted flights

What did United Airlines SFO to IAH record?

United Airlines completed 99.4% of its scheduled reportable SFO to IAH flights in the observation window. 84.3% of all scheduled flights arrived less than 15 minutes late, while 3.8% arrived at least an hour late.

What were United Airlines SFO to IAH disruption rates?

For United Airlines SFO-to-IAH flights, 8.3% arrived at least 30 minutes late, 0.3% were cancelled, and 0.3% were diverted.

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What was the United Airlines SFO to IAH scheduled cohort?

The United Airlines SFO-to-IAH cohort contained 3,600 scheduled flights; 3,579 completed, 10 were cancelled, and 11 were diverted.

Not a prediction.

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