DL 1584 then DL 4087 at LAX
Austin → Los Angeles → San Diego
Timetable, Los Angeles time
20:26DL 1584 from Austin at the gate
17:46DL 4087 to San Diego leaves the gate
21 h 20 apart on the timetable, overnight
DL 4087 leaves 21 h 20 after DL 1584 arrives on the timetable: more than half a day, so not a connection we count.