BA 8341 then AC 4370 at San Francisco
New York JFK → San Francisco → Reno
Timetable, San Francisco time
23:54BA 8341 from New York JFK at the gate
20:40AC 4370 to Reno leaves the gate
20 h 46 apart on the timetable, overnight
AC 4370 leaves 20 h 46 after BA 8341 arrives on the timetable: more than half a day, so not a connection we count.