DL 1091 then CM 1884 at San Francisco
Salt Lake City → San Francisco → Las Vegas
Timetable, San Francisco time
23:59DL 1091 from Salt Lake City at the gatealso VS 4542
22:59CM 1884 to Las Vegas leaves the gatealso UA 2400, AC 4123, LH 9212, NZ 9225
23 h apart on the timetable, overnight
CM 1884 leaves 23 h after DL 1091 arrives on the timetable: more than half a day, so not a connection we count.