QR 31 then AA 4483 at O'Hare
Milan → Chicago → Baltimore
Timetable, Chicago time
11:14QR 31 from Milan at the gate
08:05AA 4483 to Baltimore leaves the gate
20 h 51 apart on the timetable, overnight
AA 4483 leaves 20 h 51 after QR 31 arrives on the timetable: more than half a day, so not a connection we count.