DL 3764 then AS 781 at Seattle
Vancouver → Seattle → Baltimore
Timetable, Seattle time
08:45DL 3764 from Vancouver at the gate
21:41AS 781 to Baltimore leaves the gate
12 h 56 apart on the timetable
AS 781 leaves 12 h 56 after DL 3764 arrives on the timetable: more than half a day, so not a connection we count.