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

United Airlines Atlanta, GA (ATL) to Chicago, IL (ORD) reliability

Among 1,611 scheduled United Airlines flights from ATL to ORD, 72.7% arrived on time, 16.7% arrived at least 30 minutes late, and 1.6% 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
72.7%arrived on time
16.7%30+ min late
1.6%cancelled
1,611scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late16.7%
60+ minutes late10.1%
Cancelled1.6%
Average arrival+17.9 mincompleted flights

What did United Airlines ATL to ORD record?

United Airlines completed 98.0% of its scheduled reportable ATL to ORD flights in the observation window. 72.7% of all scheduled flights arrived less than 15 minutes late, while 10.1% arrived at least an hour late.

What were United Airlines ATL to ORD disruption rates?

For United Airlines ATL-to-ORD flights, 16.7% arrived at least 30 minutes late, 1.6% were cancelled, and 0.5% were diverted.

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What was the United Airlines ATL to ORD scheduled cohort?

The United Airlines ATL-to-ORD cohort contained 1,611 scheduled flights; 1,578 completed, 25 were cancelled, and 8 were diverted.

Not a prediction.

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