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

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

Among 1,611 scheduled United Airlines flights from ORD to ATL, 73.7% arrived on time, 16.3% arrived at least 30 minutes late, and 1.1% 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
73.7%arrived on time
16.3%30+ min late
1.1%cancelled
1,611scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late16.3%
60+ minutes late8.5%
Cancelled1.1%
Average arrival+10.7 mincompleted flights

What did United Airlines ORD to ATL record?

United Airlines completed 98.8% of its scheduled reportable ORD to ATL flights in the observation window. 73.7% of all scheduled flights arrived less than 15 minutes late, while 8.5% arrived at least an hour late.

What were United Airlines ORD to ATL disruption rates?

For United Airlines ORD-to-ATL flights, 16.3% arrived at least 30 minutes late, 1.1% were cancelled, and 0.1% were diverted.

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What was the United Airlines ORD to ATL scheduled cohort?

The United Airlines ORD-to-ATL cohort contained 1,611 scheduled flights; 1,591 completed, 18 were cancelled, and 2 were diverted.

Not a prediction.

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