AA 4298 then UA 6016 at O'Hare
Champaign → Chicago → Green Bay
Timetable, Chicago time
20:21AA 4298 from Champaign at the gate
19:52UA 6016 to Green Bay leaves the gate
23 h 31 apart on the timetable, overnight
UA 6016 leaves 23 h 31 after AA 4298 arrives on the timetable: more than half a day, so not a connection we count.