DL 479 then DL 972 at LAX
Boston → Los Angeles → New York JFK
Timetable, Los Angeles time
09:49DL 479 from Boston at the gate
08:25DL 972 to New York JFK leaves the gate
22 h 36 apart on the timetable, overnight
DL 972 leaves 22 h 36 after DL 479 arrives on the timetable: more than half a day, so not a connection we count.