F9 1595 then QR 76 at O'Hare
Atlanta → Chicago → Milan
Timetable, Chicago time
18:45F9 1595 from Atlanta at the gate
14:45QR 76 to Milan leaves the gate
20 h apart on the timetable, overnight
QR 76 leaves 20 h after F9 1595 arrives on the timetable: more than half a day, so not a connection we count.