AA 3635 then UA 6016 at O'Hare
La Crosse → Chicago → Green Bay
Timetable, Chicago time
20:29AA 3635 from La Crosse at the gate
19:52UA 6016 to Green Bay leaves the gate
23 h 23 apart on the timetable, overnight
UA 6016 leaves 23 h 23 after AA 3635 arrives on the timetable: more than half a day, so not a connection we count.