DL 1680 then DL 2279 at Atlanta
Cincinnati → Atlanta → Philadelphia
Timetable, Atlanta time
21:43DL 1680 from Cincinnati at the gate
11:10DL 2279 to Philadelphia leaves the gate
13 h 27 apart on the timetable, overnight
DL 2279 leaves 13 h 27 after DL 1680 arrives on the timetable: more than half a day, so not a connection we count.