CZ 1630 then VA 8546 at San Francisco
New York JFK → San Francisco → Los Angeles
Timetable, San Francisco time
14:37CZ 1630 from New York JFK at the gate
05:50VA 8546 to Los Angeles leaves the gate
15 h 13 apart on the timetable, overnight
VA 8546 leaves 15 h 13 after CZ 1630 arrives on the timetable: more than half a day, so not a connection we count.