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

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

Among 688 scheduled American Airlines flights from ATL to ORD, 69.9% arrived on time, 18.5% arrived at least 30 minutes late, and 3.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: American Airlines (AA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
69.9%arrived on time
18.5%30+ min late
3.1%cancelled
688scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late18.5%
60+ minutes late11.5%
Cancelled3.1%
Average arrival+18.3 mincompleted flights

What did American Airlines ATL to ORD record?

American Airlines completed 96.8% of its scheduled reportable ATL to ORD flights in the observation window. 69.9% of all scheduled flights arrived less than 15 minutes late, while 11.5% arrived at least an hour late.

What were American Airlines ATL to ORD disruption rates?

For American Airlines ATL-to-ORD flights, 18.5% arrived at least 30 minutes late, 3.1% were cancelled, and 0.1% were diverted.

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What was the American Airlines ATL to ORD scheduled cohort?

The American Airlines ATL-to-ORD cohort contained 688 scheduled flights; 666 completed, 21 were cancelled, and 1 were diverted.

Not a prediction.

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