DL 5316 then DL 747 at JFK
Richmond → New York → Los Angeles
Timetable, New York time
13:40DL 5316 from Richmond at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 20 apart on the timetable, overnight
DL 747 leaves 21 h 20 after DL 5316 arrives on the timetable: more than half a day, so not a connection we count.