DL 3802 then AS 749 at Seattle
Portland (Oregon) → Seattle → Las Vegas
Timetable, Seattle time
15:25DL 3802 from Portland (Oregon) at the gate
14:43AS 749 to Las Vegas leaves the gate
23 h 18 apart on the timetable, overnight
AS 749 leaves 23 h 18 after DL 3802 arrives on the timetable: more than half a day, so not a connection we count.