AA 3683 then UA 6016 at O'Hare
Bangor → Chicago → Green Bay
Timetable, Chicago time
20:09AA 3683 from Bangor at the gate
19:52UA 6016 to Green Bay leaves the gate
23 h 43 apart on the timetable, overnight
UA 6016 leaves 23 h 43 after AA 3683 arrives on the timetable: more than half a day, so not a connection we count.