AA 2576 then QF 7552 at O'Hare
Charlotte → Chicago → Los Angeles
Timetable, Chicago time
19:36AA 2576 from Charlotte at the gate
18:50QF 7552 to Los Angeles leaves the gate
23 h 14 apart on the timetable, overnight
QF 7552 leaves 23 h 14 after AA 2576 arrives on the timetable: more than half a day, so not a connection we count.