AA 9950 then AA 4222 at O'Hare
Philadelphia → Chicago → Green Bay
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
12:48AA 4222 to Green Bay leaves the gate
22 h 59 apart on the timetable, overnight
AA 4222 leaves 22 h 59 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.