F8 811 then DL 3764 at Vancouver
Calgary → Vancouver → Seattle (SEA)
Timetable, Vancouver time
11:15F8 811 from Calgary at the gate
08:26DL 3764 to Seattle (SEA) leaves the gate
21 h 11 apart on the timetable, overnight
DL 3764 leaves 21 h 11 after F8 811 arrives on the timetable: more than half a day, so not a connection we count.