AC 303 then DL 3764 at Vancouver
Montréal → Vancouver → Seattle (SEA)
Timetable, Vancouver time
12:20AC 303 from Montréal at the gate
08:26DL 3764 to Seattle (SEA) leaves the gate
20 h 06 apart on the timetable, overnight
DL 3764 leaves 20 h 06 after AC 303 arrives on the timetable: more than half a day, so not a connection we count.