DL 273 then DL 747 at JFK
Lisbon → New York → Los Angeles
Timetable, New York time
13:13DL 273 from Lisbon at the gate
11:00DL 747 to Los Angeles leaves the gate
21 h 47 apart on the timetable, overnight
DL 747 leaves 21 h 47 after DL 273 arrives on the timetable: more than half a day, so not a connection we count.