DL 272 then EC 7667 at Lisbon
New York JFK → Lisbon → Luxembourg
Timetable, Lisbon time
08:00DL 272 from New York JFK at the gate
07:45EC 7667 to Luxembourg leaves the gate
23 h 45 apart on the timetable, overnight
EC 7667 leaves 23 h 45 after DL 272 arrives on the timetable: more than half a day, so not a connection we count.