FR 6395 then EW 521 at Barcelona
Dublin → Barcelona → Cologne
Timetable, Barcelona time
18:55FR 6395 from Dublin at the gate
15:45EW 521 to Cologne leaves the gate
20 h 50 apart on the timetable, overnight
EW 521 leaves 20 h 50 after FR 6395 arrives on the timetable: more than half a day, so not a connection we count.