EW 2520 then SN 3698 at Barcelona
Stuttgart → Barcelona → Brussels
Timetable, Barcelona time
14:25EW 2520 from Stuttgart at the gate
12:25SN 3698 to Brussels leaves the gate
22 h apart on the timetable, overnight
SN 3698 leaves 22 h after EW 2520 arrives on the timetable: more than half a day, so not a connection we count.