AA 2509 then QR 76 at O'Hare
Charlotte → Chicago → Milan
Timetable, Chicago time
16:12AA 2509 from Charlotte at the gate
14:45QR 76 to Milan leaves the gate
22 h 33 apart on the timetable, overnight
QR 76 leaves 22 h 33 after AA 2509 arrives on the timetable: more than half a day, so not a connection we count.