BA 8341 then VA 8378 at San Francisco
New York JFK → San Francisco → Washington
Timetable, San Francisco time
23:54BA 8341 from New York JFK at the gate
23:20VA 8378 to Washington leaves the gate
23 h 26 apart on the timetable, overnight
VA 8378 leaves 23 h 26 after BA 8341 arrives on the timetable: more than half a day, so not a connection we count.