AM 408 then DL 747 at JFK
Mexico City → New York → Los Angeles
Timetable, New York time
12:40AM 408 from Mexico City at the gate
11:00DL 747 to Los Angeles leaves the gate
22 h 20 apart on the timetable, overnight
DL 747 leaves 22 h 20 after AM 408 arrives on the timetable: more than half a day, so not a connection we count.