QR 31 then AA 793 at O'Hare
Milan → Chicago → Phoenix
Timetable, Chicago time
11:14QR 31 from Milan at the gate
10:10AA 793 to Phoenix leaves the gate
22 h 56 apart on the timetable, overnight
AA 793 leaves 22 h 56 after QR 31 arrives on the timetable: more than half a day, so not a connection we count.