DL 49 then DL 747 at JFK
Amsterdam → New York → Los Angeles
Timetable, New York time
14:00DL 49 from Amsterdam at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h apart on the timetable, overnight
DL 747 leaves 21 h after DL 49 arrives on the timetable: more than half a day, so not a connection we count.