AA 4360 then QR 76 at O'Hare
Cleveland → Chicago → Milan
Timetable, Chicago time
05:59AA 4360 from Cleveland at the gate
21:40QR 76 to Milan leaves the gate
15 h 41 apart on the timetable
QR 76 leaves 15 h 41 after AA 4360 arrives on the timetable: more than half a day, so not a connection we count.