DL 1223 then DL 8964 at Atlanta
Cincinnati Northern Kentucky → Atlanta → San Francisco
Timetable, Atlanta time
16:33DL 1223 from Cincinnati Northern Kentucky at the gate
16:30DL 8964 to San Francisco leaves the gate
23 h 57 apart on the timetable, overnight
DL 8964 leaves 23 h 57 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.