AM 4431 then B6 616 at San Francisco
Los Angeles → San Francisco → New York JFK
Timetable, San Francisco time
23:21AM 4431 from Los Angeles at the gate
22:56B6 616 to New York JFK leaves the gatealso SQ 1491, EY 8046, EY 8242, EY 8246, JU 8513
23 h 35 apart on the timetable, overnight
B6 616 leaves 23 h 35 after AM 4431 arrives on the timetable: more than half a day, so not a connection we count.