DL 1223 then AA 5081 at Atlanta
Cincinnati Northern Kentucky → Atlanta → Philadelphia
Timetable, Atlanta time
16:30DL 1223 from Cincinnati Northern Kentucky at the gate
16:25AA 5081 to Philadelphia leaves the gate
23 h 55 apart on the timetable, overnight
AA 5081 leaves 23 h 55 after DL 1223 arrives on the timetable: more than half a day, so not a connection we count.