EW 2520 then IB 5480 at Barcelona
Stuttgart → Barcelona → Nantes
Timetable, Barcelona time
14:25EW 2520 from Stuttgart at the gate
10:45IB 5480 to Nantes leaves the gatealso VY 8140
20 h 20 apart on the timetable, overnight
IB 5480 leaves 20 h 20 after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.