FR 1280 then LA 5794 at Barcelona
Copenhagen → Barcelona → Vigo
Timetable, Barcelona time
20:35FR 1280 from Copenhagen at the gate
20:15LA 5794 to Vigo leaves the gate
23 h 40 apart on the timetable, overnight
LA 5794 leaves 23 h 40 after FR 1280 arrives on the timetable: more than half a day, so not a connection we count.