DL 1625 then DL 672 at Atlanta
Memphis → Atlanta → San Francisco
Timetable, Atlanta time
10:30DL 1625 from Memphis at the gate
10:15DL 672 to San Francisco leaves the gate
23 h 45 apart on the timetable, overnight
DL 672 leaves 23 h 45 after DL 1625 arrives on the timetable: more than half a day, so not a connection we count.