CI 5345 then CZ 1640 at San Francisco
Atlanta → San Francisco → Philadelphia
Timetable, San Francisco time
23:09CI 5345 from Atlanta at the gate
22:58CZ 1640 to Philadelphia leaves the gatealso AA 1826
23 h 49 apart on the timetable, overnight
CZ 1640 leaves 23 h 49 after CI 5345 arrives on the timetable: more than half a day, so not a connection we count.