DL 1223 then AA 3083 at Atlanta
Cincinnati → Atlanta → Philadelphia
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
14:19AA 3083 to Philadelphia leaves the gate
21 h 46 apart on the timetable, overnight
AA 3083 leaves 21 h 46 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.