AA 1615 then QR 76 at O'Hare
Orlando → Chicago → Milan
Timetable, Chicago time
18:00AA 1615 from Orlando at the gate
14:45QR 76 to Milan leaves the gate
20 h 45 apart on the timetable, overnight
QR 76 leaves 20 h 45 after AA 1615 arrives on the timetable: more than half a day, so not a connection we count.