SK 581 then FR 5301 at Madrid
Copenhagen → Madrid → Luxembourg
Timetable, Madrid time
12:00SK 581 from Copenhagen at the gate
07:15FR 5301 to Luxembourg leaves the gate
19 h 15 apart on the timetable, overnight
FR 5301 leaves 19 h 15 after SK 581 arrives on the timetable: more than half a day, so not a connection we count.