DL 1680 then DL 512 at Atlanta
Cincinnati → Atlanta → Dallas
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
13:48DL 512 to Dallas leaves the gate
16 h 05 apart on the timetable, overnight
DL 512 leaves 16 h 05 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.