FR 2540 then DY 3705 at Madrid
Bucharest → Madrid → Copenhagen
Timetable, Madrid time
13:55FR 2540 from Bucharest at the gate
12:55DY 3705 to Copenhagen leaves the gate
23 h apart on the timetable, overnight
DY 3705 leaves 23 h after FR 2540 arrives on the timetable: more than half a day, so not a connection we count.