DL 1100 then AA 1274 at Philadelphia
Atlanta → Philadelphia → Raleigh-Durham
Timetable, Philadelphia time
09:29DL 1100 from Atlanta at the gate
21:40AA 1274 to Raleigh-Durham leaves the gate
12 h 11 apart on the timetable
AA 1274 leaves 12 h 11 after DL 1100 arrives on the timetable: more than half a day, so not a connection we count.