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

United Airlines Chicago, IL (ORD) to San Francisco, CA (SFO) reliability

Among 3,813 scheduled United Airlines flights from ORD to SFO, 69.0% arrived on time, 20.8% arrived at least 30 minutes late, and 1.0% 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 SIGNALVariable
69.0%arrived on time
20.8%30+ min late
1.0%cancelled
3,813scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late20.8%
60+ minutes late11.8%
Cancelled1.0%
Average arrival+15.0 mincompleted flights

What did United Airlines ORD to SFO record?

United Airlines completed 98.9% of its scheduled reportable ORD to SFO flights in the observation window. 69.0% of all scheduled flights arrived less than 15 minutes late, while 11.8% arrived at least an hour late.

What were United Airlines ORD to SFO disruption rates?

For United Airlines ORD-to-SFO flights, 20.8% arrived at least 30 minutes late, 1.0% were cancelled, and 0.0% were diverted.

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What was the United Airlines ORD to SFO scheduled cohort?

The United Airlines ORD-to-SFO cohort contained 3,813 scheduled flights; 3,772 completed, 40 were cancelled, and 1 were diverted.

Not a prediction.

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