FR 8393 then LA 5758 at Barcelona
Budapest → Barcelona → Copenhagen
Timetable, Barcelona time
20:00FR 8393 from Budapest at the gate
17:55LA 5758 to Copenhagen leaves the gate
21 h 55 apart on the timetable, overnight
LA 5758 leaves 21 h 55 after FR 8393 arrives on the timetable: more than half a day, so not a connection we count.