F9 2060 then DL 2279 at Philadelphia
Raleigh-Durham → Philadelphia → Atlanta
Timetable, Philadelphia time
16:24F9 2060 from Raleigh-Durham at the gate
14:12DL 2279 to Atlanta leaves the gate
21 h 48 apart on the timetable, overnight
DL 2279 leaves 21 h 48 after F9 2060 arrives on the timetable: more than half a day, so not a connection we count.