DL 3968 then DL 167 at Seattle
Vancouver → Seattle → Tokyo Haneda
Timetable, Seattle time
16:53DL 3968 from Vancouver at the gate
11:25DL 167 to Tokyo Haneda leaves the gate
18 h 32 apart on the timetable, overnight
DL 167 leaves 18 h 32 after DL 3968 arrives on the timetable: more than half a day, so not a connection we count.