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

United Airlines San Diego, CA (SAN) to Chicago, IL (ORD) reliability

Among 1,672 scheduled United Airlines flights from SAN to ORD, 80.7% arrived on time, 10.6% 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
80.7%arrived on time
10.6%30+ min late
0.5%cancelled
1,672scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late10.6%
60+ minutes late5.8%
Cancelled0.5%
Average arrival+3.9 mincompleted flights

What did United Airlines SAN to ORD record?

United Airlines completed 98.5% of its scheduled reportable SAN to ORD flights in the observation window. 80.7% of all scheduled flights arrived less than 15 minutes late, while 5.8% arrived at least an hour late.

What were United Airlines SAN to ORD disruption rates?

For United Airlines SAN-to-ORD flights, 10.6% arrived at least 30 minutes late, 0.5% were cancelled, and 1.0% were diverted.

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What was the United Airlines SAN to ORD scheduled cohort?

The United Airlines SAN-to-ORD cohort contained 1,672 scheduled flights; 1,647 completed, 9 were cancelled, and 16 were diverted.

Not a prediction.

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