LX 16 then DL 747 at JFK
Zurich → New York → Los Angeles
Timetable, New York time
13:15LX 16 from Zurich at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 45 apart on the timetable, overnight
DL 747 leaves 21 h 45 after LX 16 arrives on the timetable: more than half a day, so not a connection we count.