AM 4431 then DL 670 at San Francisco
Los Angeles → San Francisco → New York JFK
Timetable, San Francisco time
22:27AM 4431 from Los Angeles at the gate
22:25DL 670 to New York JFK leaves the gatealso AM 4305, LY 4444, VS 4848, LA 6189, KQ 7055
23 h 58 apart on the timetable, overnight
DL 670 leaves 23 h 58 after AM 4431 arrives on the timetable: more than half a day, so not a connection we count.