AA 3720 then QF 7552 at O'Hare
Manchester → Chicago → Los Angeles
Timetable, Chicago time
19:06AA 3720 from Manchester at the gate
18:50QF 7552 to Los Angeles leaves the gate
23 h 44 apart on the timetable, overnight
QF 7552 leaves 23 h 44 after AA 3720 arrives on the timetable: more than half a day, so not a connection we count.