DL 1223 then DL 753 at Atlanta
Cincinnati → Atlanta → Los Angeles
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
14:30DL 753 to Los Angeles leaves the gate
21 h 57 apart on the timetable, overnight
DL 753 leaves 21 h 57 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.