DL 546 then DL 747 at JFK
Phoenix → New York → Los Angeles
Timetable, New York time
13:04DL 546 from Phoenix at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 56 apart on the timetable, overnight
DL 747 leaves 21 h 56 after DL 546 arrives on the timetable: more than half a day, so not a connection we count.