UA 336 then QR 2134 at San Francisco
Los Angeles → San Francisco → New York JFK
Timetable, San Francisco time
08:55UA 336 from Los Angeles at the gatealso NH 7355, VA 8056, NZ 9273
23:00QR 2134 to New York JFK leaves the gate
14 h 05 apart on the timetable
QR 2134 leaves 14 h 05 after UA 336 arrives on the timetable: more than half a day, so not a connection we count.