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

United Airlines Chicago, IL (ORD) to Boston, MA (BOS) reliability

Among 2,680 scheduled United Airlines flights from ORD to BOS, 67.2% arrived on time, 23.4% arrived at least 30 minutes late, and 1.9% 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
67.2%arrived on time
23.4%30+ min late
1.9%cancelled
2,680scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late23.4%
60+ minutes late13.8%
Cancelled1.9%
Average arrival+18.2 mincompleted flights

What did United Airlines ORD to BOS record?

United Airlines completed 97.9% of its scheduled reportable ORD to BOS flights in the observation window. 67.2% of all scheduled flights arrived less than 15 minutes late, while 13.8% arrived at least an hour late.

What were United Airlines ORD to BOS disruption rates?

For United Airlines ORD-to-BOS flights, 23.4% arrived at least 30 minutes late, 1.9% were cancelled, and 0.2% were diverted.

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What was the United Airlines ORD to BOS scheduled cohort?

The United Airlines ORD-to-BOS cohort contained 2,680 scheduled flights; 2,625 completed, 50 were cancelled, and 5 were diverted.

Not a prediction.

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