EW 7520 then EW 9441 at Barcelona
Hamburg → Barcelona → Düsseldorf
Timetable, Barcelona time
16:20EW 7520 from Hamburg at the gate
09:20EW 9441 to Düsseldorf leaves the gate
17 h apart on the timetable, overnight
EW 9441 leaves 17 h after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.