UA 1853 then UA 2129 at LAX
Cleveland → Los Angeles → San Diego
Timetable, Los Angeles time
20:27UA 1853 from Cleveland at the gate
19:34UA 2129 to San Diego leaves the gate
23 h 07 apart on the timetable, overnight
UA 2129 leaves 23 h 07 after UA 1853 arrives on the timetable: more than half a day, so not a connection we count.