AA 1826 then AC 4370 at San Francisco
Philadelphia → San Francisco → Reno
Timetable, San Francisco time
21:57AA 1826 from Philadelphia at the gatealso BA 5440, EI 7170
18:55AC 4370 to Reno leaves the gate
20 h 58 apart on the timetable, overnight
AC 4370 leaves 20 h 58 after AA 1826 arrives on the timetable: more than half a day, so not a connection we count.