AA 2556 then QF 7552 at O'Hare
San Diego → Chicago → Los Angeles
Timetable, Chicago time
19:59AA 2556 from San Diego at the gate
18:50QF 7552 to Los Angeles leaves the gate
22 h 51 apart on the timetable, overnight
QF 7552 leaves 22 h 51 after AA 2556 arrives on the timetable: more than half a day, so not a connection we count.