AA 753 then QF 7552 at O'Hare
Philadelphia → Chicago → Los Angeles
Timetable, Chicago time
19:30AA 753 from Philadelphia at the gate
18:50QF 7552 to Los Angeles leaves the gate
23 h 20 apart on the timetable, overnight
QF 7552 leaves 23 h 20 after AA 753 arrives on the timetable: more than half a day, so not a connection we count.