AA 5458 then F9 1147 at Philadelphia
Burlington → Philadelphia → Atlanta
Timetable, Philadelphia time
17:33AA 5458 from Burlington at the gate
17:14F9 1147 to Atlanta leaves the gate
23 h 41 apart on the timetable, overnight
F9 1147 leaves 23 h 41 after AA 5458 arrives on the timetable: more than half a day, so not a connection we count.