AA 3448 then UA 5609 at O'Hare
Green Bay → Chicago → Appleton
Timetable, Chicago time
21:29AA 3448 from Green Bay at the gate
20:15UA 5609 to Appleton leaves the gate
22 h 46 apart on the timetable, overnight
UA 5609 leaves 22 h 46 after AA 3448 arrives on the timetable: more than half a day, so not a connection we count.