DL 1462 then DL 540 at Atlanta
Richmond → Atlanta → San Diego
Timetable, Atlanta time
12:56DL 1462 from Richmond at the gate
11:10DL 540 to San Diego leaves the gate
22 h 14 apart on the timetable, overnight
DL 540 leaves 22 h 14 after DL 1462 arrives on the timetable: more than half a day, so not a connection we count.