AA 9950 then AA 2323 at O'Hare
Philadelphia → Chicago → Palm Springs
Timetable, Chicago time
13:49AA 9950 from Philadelphia at the gate
09:50AA 2323 to Palm Springs leaves the gate
20 h 01 apart on the timetable, overnight
AA 2323 leaves 20 h 01 after AA 9950 arrives on the timetable: more than half a day, so not a connection we count.