DL 1680 then DL 374 at Atlanta
Cincinnati → Atlanta → Dallas-Fort Worth
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
15:59DL 374 to Dallas-Fort Worth leaves the gate
18 h 16 apart on the timetable, overnight
DL 374 leaves 18 h 16 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.