AA 2488 then QF 7552 at O'Hare
Charlotte → Chicago → Los Angeles
Timetable, Chicago time
19:51AA 2488 from Charlotte at the gate
18:50QF 7552 to Los Angeles leaves the gate
22 h 59 apart on the timetable, overnight
QF 7552 leaves 22 h 59 after AA 2488 arrives on the timetable: more than half a day, so not a connection we count.