FR 2724 then SK 2581 at Copenhagen
Krakow → Copenhagen → Luxembourg
Timetable, Copenhagen time
18:25FR 2724 from Krakow at the gate
08:10SK 2581 to Luxembourg leaves the gate
13 h 45 apart on the timetable, overnight
SK 2581 leaves 13 h 45 after FR 2724 arrives on the timetable: more than half a day, so not a connection we count.