AC 8483 then QR 76 at O'Hare
Montréal → Chicago → Milan
Timetable, Chicago time
19:52AC 8483 from Montréal at the gate
14:45QR 76 to Milan leaves the gate
18 h 53 apart on the timetable, overnight
QR 76 leaves 18 h 53 after AC 8483 arrives on the timetable: more than half a day, so not a connection we count.