B6 1524 then DL 667 at JFK
Los Angeles → New York → San Francisco
Timetable, New York time
05:14B6 1524 from Los Angeles at the gate
19:00DL 667 to San Francisco leaves the gate
13 h 46 apart on the timetable
DL 667 leaves 13 h 46 after B6 1524 arrives on the timetable: more than half a day, so not a connection we count.