DL 4001 then UA 5550 at LAX
San Diego → Los Angeles → San Luis Obispo
Timetable, Los Angeles time
17:01DL 4001 from San Diego at the gate
16:35UA 5550 to San Luis Obispo leaves the gate
23 h 34 apart on the timetable, overnight
UA 5550 leaves 23 h 34 after DL 4001 arrives on the timetable: more than half a day, so not a connection we count.