AA 9950 then AA 3183 at O'Hare
Philadelphia → Chicago → Phoenix
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
13:26AA 3183 to Phoenix leaves the gate
23 h 37 apart on the timetable, overnight
AA 3183 leaves 23 h 37 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.