EW 520 then VY 1208 at Barcelona
Cologne → Barcelona → Stuttgart
Timetable, Barcelona time
16:50EW 520 from Cologne at the gate
13:10VY 1208 to Stuttgart leaves the gatealso IB 5394, LL 5394
20 h 20 apart on the timetable, overnight
VY 1208 leaves 20 h 20 after EW 520 arrives on the timetable: more than half a day, so not a connection we count.