DL 4907 then QR 76 at O'Hare
New York JFK → Chicago → Milan
Timetable, Chicago time
17:20DL 4907 from New York JFK at the gate
14:45QR 76 to Milan leaves the gate
21 h 25 apart on the timetable, overnight
QR 76 leaves 21 h 25 after DL 4907 arrives on the timetable: more than half a day, so not a connection we count.