FR 4584 then EW 9441 at Barcelona
Porto → Barcelona → Düsseldorf
Timetable, Barcelona time
18:55FR 4584 from Porto at the gate
09:45EW 9441 to Düsseldorf leaves the gate
14 h 50 apart on the timetable, overnight
EW 9441 leaves 14 h 50 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.