DL 5301 then B6 1223 at JFK
Richmond → New York → Los Angeles
Timetable, New York time
18:30DL 5301 from Richmond at the gate
16:48B6 1223 to Los Angeles leaves the gate
22 h 18 apart on the timetable, overnight
B6 1223 leaves 22 h 18 after DL 5301 arrives on the timetable: more than half a day, so not a connection we count.