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

United Airlines Miami, FL (MIA) to Chicago, IL (ORD) reliability

Among 1,040 scheduled United Airlines flights from MIA to ORD, 69.6% arrived on time, 18.6% arrived at least 30 minutes late, and 0.9% 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 SIGNALVariable
69.6%arrived on time
18.6%30+ min late
0.9%cancelled
1,040scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late18.6%
60+ minutes late11.6%
Cancelled0.9%
Average arrival+18.2 mincompleted flights

What did United Airlines MIA to ORD record?

United Airlines completed 98.5% of its scheduled reportable MIA to ORD flights in the observation window. 69.6% of all scheduled flights arrived less than 15 minutes late, while 11.6% arrived at least an hour late.

What were United Airlines MIA to ORD disruption rates?

For United Airlines MIA-to-ORD flights, 18.6% arrived at least 30 minutes late, 0.9% were cancelled, and 0.7% were diverted.

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What was the United Airlines MIA to ORD scheduled cohort?

The United Airlines MIA-to-ORD cohort contained 1,040 scheduled flights; 1,024 completed, 9 were cancelled, and 7 were diverted.

Not a prediction.

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