AA 3278 then DL 1329 at Philadelphia
Pittsburgh → Philadelphia → Atlanta
Timetable, Philadelphia time
07:25AA 3278 from Pittsburgh at the gate
19:37DL 1329 to Atlanta leaves the gate
12 h 12 apart on the timetable
DL 1329 leaves 12 h 12 after AA 3278 arrives on the timetable: more than half a day, so not a connection we count.