DL 374 then UA 5863 at LAX
Salt Lake City → Los Angeles → San Luis Obispo
Timetable, Los Angeles time
07:33DL 374 from Salt Lake City at the gate
20:50UA 5863 to San Luis Obispo leaves the gate
13 h 17 apart on the timetable
UA 5863 leaves 13 h 17 after DL 374 arrives on the timetable: more than half a day, so not a connection we count.