AA 4927 then QF 7552 at O'Hare
Burlington (BTV) → Chicago → Los Angeles
Timetable, Chicago time
20:35AA 4927 from Burlington (BTV) at the gate
18:50QF 7552 to Los Angeles leaves the gate
22 h 15 apart on the timetable, overnight
QF 7552 leaves 22 h 15 after AA 4927 arrives on the timetable: more than half a day, so not a connection we count.