AC 8483 then CK 626 at O'Hare
Montréal → Chicago → Shanghai
Timetable, Chicago time
19:52AC 8483 from Montréal at the gate
19:32CK 626 to Shanghai leaves the gate
23 h 40 apart on the timetable, overnight
CK 626 leaves 23 h 40 after AC 8483 arrives on the timetable: more than half a day, so not a connection we count.