AA 2146 then UA 6016 at O'Hare
Boston → Chicago → Green Bay
Timetable, Chicago time
08:00AA 2146 from Boston at the gate
21:25UA 6016 to Green Bay leaves the gate
13 h 25 apart on the timetable
UA 6016 leaves 13 h 25 after AA 2146 arrives on the timetable: more than half a day, so not a connection we count.