FR 4584 then VY 4070 at Barcelona
Porto → Barcelona → Düsseldorf
Timetable, Barcelona time
18:35FR 4584 from Porto at the gate
09:45VY 4070 to Düsseldorf leaves the gate
15 h 10 apart on the timetable, overnight
VY 4070 leaves 15 h 10 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.