LG 5437 then FR 406 at Copenhagen
Luxembourg → Copenhagen → Rome
Timetable, Copenhagen time
15:25LG 5437 from Luxembourg at the gate
09:25FR 406 to Rome leaves the gate
18 h apart on the timetable, overnight
FR 406 leaves 18 h after LG 5437 arrives on the timetable: more than half a day, so not a connection we count.