AA 4499 then UA 6016 at O'Hare
Charlottesville → Chicago → Green Bay
Timetable, Chicago time
08:32AA 4499 from Charlottesville at the gate
21:25UA 6016 to Green Bay leaves the gate
12 h 53 apart on the timetable
UA 6016 leaves 12 h 53 after AA 4499 arrives on the timetable: more than half a day, so not a connection we count.