DL 1223 then AA 497 at Atlanta
Cincinnati → Atlanta → Philadelphia
Timetable, Atlanta time
16:33DL 1223 from Cincinnati at the gate
16:29AA 497 to Philadelphia leaves the gate
23 h 56 apart on the timetable, overnight
AA 497 leaves 23 h 56 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.