DL 963 then DL 2020 at Atlanta
Cincinnati → Atlanta → Oklahoma City
Timetable, Atlanta time
11:29DL 963 from Cincinnati at the gate
11:20DL 2020 to Oklahoma City leaves the gate
23 h 51 apart on the timetable, overnight
DL 2020 leaves 23 h 51 after DL 963 arrives on the timetable: more than half a day, so not a connection we count.