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

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

Among 2,125 scheduled American Airlines flights from BOS to ORD, 70.8% arrived on time, 19.0% arrived at least 30 minutes late, and 2.8% 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
70.8%arrived on time
19.0%30+ min late
2.8%cancelled
2,125scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late19.0%
60+ minutes late12.7%
Cancelled2.8%
Average arrival+13.4 mincompleted flights

What did American Airlines BOS to ORD record?

American Airlines completed 96.5% of its scheduled reportable BOS to ORD flights in the observation window. 70.8% of all scheduled flights arrived less than 15 minutes late, while 12.7% arrived at least an hour late.

What were American Airlines BOS to ORD disruption rates?

For American Airlines BOS-to-ORD flights, 19.0% arrived at least 30 minutes late, 2.8% were cancelled, and 0.7% were diverted.

Compare all airlines on this route

What was the American Airlines BOS to ORD scheduled cohort?

The American Airlines BOS-to-ORD cohort contained 2,125 scheduled flights; 2,050 completed, 60 were cancelled, and 15 were diverted.

Not a prediction.

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