AA 9950 then AA 4996 at O'Hare
Philadelphia → Chicago → Cedar Rapids
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
08:56AA 4996 to Cedar Rapids leaves the gate
19 h 07 apart on the timetable, overnight
AA 4996 leaves 19 h 07 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.