AA 2663 then DL 1180 at Philadelphia
San Francisco → Philadelphia → Atlanta
Timetable, Philadelphia time
08:24AA 2663 from San Francisco at the gate
08:00DL 1180 to Atlanta leaves the gate
23 h 36 apart on the timetable, overnight
DL 1180 leaves 23 h 36 after AA 2663 arrives on the timetable: more than half a day, so not a connection we count.