QR 31 then AA 1649 at O'Hare
Milan → Chicago → San Jose del Cabo
Timetable, Chicago time
11:14QR 31 from Milan at the gate
08:55AA 1649 to San Jose del Cabo leaves the gate
21 h 41 apart on the timetable, overnight
AA 1649 leaves 21 h 41 after QR 31 arrives on the timetable: more than half a day, so not a connection we count.