FR 776 then LL 5051 at Barcelona
Venezia → Barcelona → Düsseldorf
Timetable, Barcelona time
23:30FR 776 from Venezia at the gate
18:00LL 5051 to Düsseldorf leaves the gate
18 h 30 apart on the timetable, overnight
LL 5051 leaves 18 h 30 after FR 776 arrives on the timetable: more than half a day, so not a connection we count.