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

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

Among 3,815 scheduled United Airlines flights from SFO to ORD, 77.1% arrived on time, 14.0% 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 SIGNALGenerally reliable
77.1%arrived on time
14.0%30+ min late
1.0%cancelled
3,815scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.0%
60+ minutes late7.6%
Cancelled1.0%
Average arrival+5.8 mincompleted flights

What did United Airlines SFO to ORD record?

United Airlines completed 98.5% of its scheduled reportable SFO to ORD flights in the observation window. 77.1% of all scheduled flights arrived less than 15 minutes late, while 7.6% arrived at least an hour late.

What were United Airlines SFO to ORD disruption rates?

For United Airlines SFO-to-ORD flights, 14.0% arrived at least 30 minutes late, 1.0% were cancelled, and 0.5% were diverted.

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What was the United Airlines SFO to ORD scheduled cohort?

The United Airlines SFO-to-ORD cohort contained 3,815 scheduled flights; 3,756 completed, 39 were cancelled, and 20 were diverted.

Not a prediction.

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