AC 8437 then DL 3764 at Vancouver
Terrace → Vancouver → Seattle (SEA)
Timetable, Vancouver time
13:10AC 8437 from Terrace at the gate
08:26DL 3764 to Seattle (SEA) leaves the gate
19 h 16 apart on the timetable, overnight
DL 3764 leaves 19 h 16 after AC 8437 arrives on the timetable: more than half a day, so not a connection we count.