JL 18 then DL 3764 at Vancouver
Tokyo Narita → Vancouver → Seattle (SEA)
Timetable, Vancouver time
11:45JL 18 from Tokyo Narita at the gate
08:26DL 3764 to Seattle (SEA) leaves the gate
20 h 41 apart on the timetable, overnight
DL 3764 leaves 20 h 41 after JL 18 arrives on the timetable: more than half a day, so not a connection we count.