DL 1584 then UA 2129 at LAX
Austin → Los Angeles → San Diego
Timetable, Los Angeles time
20:26DL 1584 from Austin at the gate
19:27UA 2129 to San Diego leaves the gate
23 h 01 apart on the timetable, overnight
UA 2129 leaves 23 h 01 after DL 1584 arrives on the timetable: more than half a day, so not a connection we count.