AC 8483 then CA 3174 at O'Hare
Montréal → Chicago → Guangzhou
Timetable, Chicago time
19:52AC 8483 from Montréal at the gate
13:40CA 3174 to Guangzhou leaves the gate
17 h 48 apart on the timetable, overnight
CA 3174 leaves 17 h 48 after AC 8483 arrives on the timetable: more than half a day, so not a connection we count.