WS 1743 then DL 3968 at Vancouver
Phoenix → Vancouver → Seattle (SEA)
Timetable, Vancouver time
00:35WS 1743 from Phoenix at the gate
16:37DL 3968 to Seattle (SEA) leaves the gate
16 h 02 apart on the timetable
DL 3968 leaves 16 h 02 after WS 1743 arrives on the timetable: more than half a day, so not a connection we count.