DL 690 then DL 3008 at Atlanta
San Francisco → Atlanta → Columbia
Timetable, Atlanta time
07:31DL 690 from San Francisco at the gate
20:40DL 3008 to Columbia leaves the gate
13 h 09 apart on the timetable
DL 3008 leaves 13 h 09 after DL 690 arrives on the timetable: more than half a day, so not a connection we count.