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

United Airlines Sacramento, CA (SMF) to Chicago, IL (ORD) reliability

Among 987 scheduled United Airlines flights from SMF to ORD, 78.1% arrived on time, 11.7% 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
78.1%arrived on time
11.7%30+ min late
1.0%cancelled
987scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.7%
60+ minutes late6.1%
Cancelled1.0%
Average arrival+6.4 mincompleted flights

What did United Airlines SMF to ORD record?

United Airlines completed 98.3% of its scheduled reportable SMF to ORD flights in the observation window. 78.1% of all scheduled flights arrived less than 15 minutes late, while 6.1% arrived at least an hour late.

What were United Airlines SMF to ORD disruption rates?

For United Airlines SMF-to-ORD flights, 11.7% arrived at least 30 minutes late, 1.0% were cancelled, and 0.7% were diverted.

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What was the United Airlines SMF to ORD scheduled cohort?

The United Airlines SMF-to-ORD cohort contained 987 scheduled flights; 970 completed, 10 were cancelled, and 7 were diverted.

Not a prediction.

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