DL 1680 then DL 2020 at Atlanta
Cincinnati → Atlanta → Oklahoma City
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
11:20DL 2020 to Oklahoma City leaves the gate
13 h 37 apart on the timetable, overnight
DL 2020 leaves 13 h 37 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.