DL 336 then DL 747 at JFK
Denver → New York → Los Angeles
Timetable, New York time
12:47DL 336 from Denver at the gate
11:00DL 747 to Los Angeles leaves the gate
22 h 13 apart on the timetable, overnight
DL 747 leaves 22 h 13 after DL 336 arrives on the timetable: more than half a day, so not a connection we count.