DL 454 then DL 747 at JFK
Dallas-Fort Worth → New York → Los Angeles
Timetable, New York time
12:04DL 454 from Dallas-Fort Worth at the gate
11:00DL 747 to Los Angeles leaves the gate
22 h 56 apart on the timetable, overnight
DL 747 leaves 22 h 56 after DL 454 arrives on the timetable: more than half a day, so not a connection we count.