AA 2045 then AC 4370 at San Francisco
Philadelphia → San Francisco → Reno
Timetable, San Francisco time
20:46AA 2045 from Philadelphia at the gate
18:55AC 4370 to Reno leaves the gate
22 h 09 apart on the timetable, overnight
AC 4370 leaves 22 h 09 after AA 2045 arrives on the timetable: more than half a day, so not a connection we count.