AS 701 then DL 3855 at Seattle
Las Vegas → Seattle → Eugene
Timetable, Seattle time
10:09AS 701 from Las Vegas at the gate
22:44DL 3855 to Eugene leaves the gate
12 h 35 apart on the timetable
DL 3855 leaves 12 h 35 after AS 701 arrives on the timetable: more than half a day, so not a connection we count.