AA 5079 then CI 5345 at Atlanta
Philadelphia → Atlanta → San Francisco
Timetable, Atlanta time
10:52AA 5079 from Philadelphia at the gate
23:46CI 5345 to San Francisco leaves the gate
12 h 54 apart on the timetable
CI 5345 leaves 12 h 54 after AA 5079 arrives on the timetable: more than half a day, so not a connection we count.