QR 31 then AA 1021 at O'Hare
Milan → Chicago → Los Angeles
Timetable, Chicago time
19:30QR 31 from Milan at the gate
13:24AA 1021 to Los Angeles leaves the gate
17 h 54 apart on the timetable, overnight
AA 1021 leaves 17 h 54 after QR 31 arrives on the timetable: more than half a day, so not a connection we count.