DL 2925 then DL 680 at Atlanta
Mobile → Atlanta → San Diego
Timetable, Atlanta time
20:35DL 2925 from Mobile at the gate
17:59DL 680 to San Diego leaves the gate
21 h 24 apart on the timetable, overnight
DL 680 leaves 21 h 24 after DL 2925 arrives on the timetable: more than half a day, so not a connection we count.