EW 7520 then LA 5795 at Barcelona
Hamburg → Barcelona → Vienna
Timetable, Barcelona time
18:45EW 7520 from Hamburg at the gate
10:50LA 5795 to Vienna leaves the gate
16 h 05 apart on the timetable, overnight
LA 5795 leaves 16 h 05 after EW 7520 arrives on the timetable: more than half a day, so not a connection we count.