OS 7883 then AC 4370 at San Francisco
Washington → San Francisco → Reno
Timetable, San Francisco time
19:24OS 7883 from Washington at the gate
18:55AC 4370 to Reno leaves the gate
23 h 31 apart on the timetable, overnight
AC 4370 leaves 23 h 31 after OS 7883 arrives on the timetable: more than half a day, so not a connection we count.