QF 4339 then UA 2127 at San Francisco
New York JFK → San Francisco → Los Angeles
Timetable, San Francisco time
14:31QF 4339 from New York JFK at the gatealso G3 6199, QR 9238
06:00UA 2127 to Los Angeles leaves the gatealso AV 2163, UA 3904, NZ 9260
15 h 29 apart on the timetable, overnight
UA 2127 leaves 15 h 29 after QF 4339 arrives on the timetable: more than half a day, so not a connection we count.