AA 386 then UA 5863 at LAX
Chicago O'Hare → Los Angeles → San Luis Obispo
Timetable, Los Angeles time
19:53AA 386 from Chicago O'Hare at the gate
18:55UA 5863 to San Luis Obispo leaves the gate
23 h 02 apart on the timetable, overnight
UA 5863 leaves 23 h 02 after AA 386 arrives on the timetable: more than half a day, so not a connection we count.