DL 1598 then DL 972 at LAX
San Francisco → Los Angeles → New York JFK
Timetable, Los Angeles time
08:34DL 1598 from San Francisco at the gate
08:25DL 972 to New York JFK leaves the gate
23 h 51 apart on the timetable, overnight
DL 972 leaves 23 h 51 after DL 1598 arrives on the timetable: more than half a day, so not a connection we count.