KL 1583 then FR 1791 at Lisbon
Amsterdam → Lisbon → Luxembourg
Timetable, Lisbon time
14:40KL 1583 from Amsterdam at the gate
14:25FR 1791 to Luxembourg leaves the gate
23 h 45 apart on the timetable, overnight
FR 1791 leaves 23 h 45 after KL 1583 arrives on the timetable: more than half a day, so not a connection we count.