FR 6875 then FR 2507 at Barcelona
Dublin → Barcelona → Cologne
Timetable, Barcelona time
19:20FR 6875 from Dublin at the gate
14:10FR 2507 to Cologne leaves the gate
18 h 50 apart on the timetable, overnight
FR 2507 leaves 18 h 50 after FR 6875 arrives on the timetable: more than half a day, so not a connection we count.