AA 3166 then F9 1147 at Philadelphia
San Francisco → Philadelphia → Atlanta
Timetable, Philadelphia time
05:57AA 3166 from San Francisco at the gate
18:00F9 1147 to Atlanta leaves the gate
12 h 03 apart on the timetable
F9 1147 leaves 12 h 03 after AA 3166 arrives on the timetable: more than half a day, so not a connection we count.