EW 7520 then VY 1178 at Barcelona
Hamburg → Barcelona → Porto
Timetable, Barcelona time
18:45EW 7520 from Hamburg at the gate
13:00VY 1178 to Porto leaves the gatealso QR 4705, LL 5092
18 h 15 apart on the timetable, overnight
VY 1178 leaves 18 h 15 after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.