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

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

Among 1,672 scheduled United Airlines flights from ORD to SAN, 76.4% arrived on time, 14.7% 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 SIGNALGenerally reliable
76.4%arrived on time
14.7%30+ min late
0.3%cancelled
1,672scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.7%
60+ minutes late7.2%
Cancelled0.3%
Average arrival+7.0 mincompleted flights

What did United Airlines ORD to SAN record?

United Airlines completed 99.2% of its scheduled reportable ORD to SAN flights in the observation window. 76.4% of all scheduled flights arrived less than 15 minutes late, while 7.2% arrived at least an hour late.

What were United Airlines ORD to SAN disruption rates?

For United Airlines ORD-to-SAN flights, 14.7% arrived at least 30 minutes late, 0.3% were cancelled, and 0.5% were diverted.

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What was the United Airlines ORD to SAN scheduled cohort?

The United Airlines ORD-to-SAN cohort contained 1,672 scheduled flights; 1,659 completed, 5 were cancelled, and 8 were diverted.

Not a prediction.

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