DL 479 then B6 1024 at LAX
Boston → Los Angeles → New York JFK
Timetable, Los Angeles time
09:30DL 479 from Boston at the gate
21:45B6 1024 to New York JFK leaves the gate
12 h 15 apart on the timetable
B6 1024 leaves 12 h 15 after DL 479 arrives on the timetable: more than half a day, so not a connection we count.