DL 2817 then AS 552 at Seattle
Salt Lake City → Seattle → Las Vegas
Timetable, Seattle time
16:53DL 2817 from Salt Lake City at the gate
16:33AS 552 to Las Vegas leaves the gate
23 h 40 apart on the timetable, overnight
AS 552 leaves 23 h 40 after DL 2817 arrives on the timetable: more than half a day, so not a connection we count.