AA 9950 then AA 1885 at O'Hare
Philadelphia → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
12:02AA 1885 to Dallas-Fort Worth leaves the gate
22 h 13 apart on the timetable, overnight
AA 1885 leaves 22 h 13 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.