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

United Airlines San Francisco, CA (SFO) to St. Louis, MO (STL) reliability

Among 204 scheduled United Airlines flights from SFO to STL, 79.9% arrived on time, 11.8% 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 SIGNALGenerally reliable
79.9%arrived on time
11.8%30+ min late
0.5%cancelled
204scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.8%
60+ minutes late4.4%
Cancelled0.5%
Average arrival+0.0 mincompleted flights

What did United Airlines SFO to STL record?

United Airlines completed 99.0% of its scheduled reportable SFO to STL flights in the observation window. 79.9% of all scheduled flights arrived less than 15 minutes late, while 4.4% arrived at least an hour late.

What were United Airlines SFO to STL disruption rates?

For United Airlines SFO-to-STL flights, 11.8% arrived at least 30 minutes late, 0.5% were cancelled, and 0.5% were diverted.

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What was the United Airlines SFO to STL scheduled cohort?

The United Airlines SFO-to-STL cohort contained 204 scheduled flights; 202 completed, 1 were cancelled, and 1 were diverted.

Not a prediction.

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