AA 4768 then AA 3426 at O'Hare
Louisville → Chicago → Green Bay
Timetable, Chicago time
10:55AA 4768 from Louisville at the gate
23:00AA 3426 to Green Bay leaves the gate
12 h 05 apart on the timetable
AA 3426 leaves 12 h 05 after AA 4768 arrives on the timetable: more than half a day, so not a connection we count.