EC 7174 then QR 3663 at Barcelona
Berlin → Barcelona → Milan
Timetable, Barcelona time
23:05EC 7174 from Berlin at the gate
20:05QR 3663 to Milan leaves the gatealso IB 5366, LL 5366, VY 6054
21 h apart on the timetable, overnight
QR 3663 leaves 21 h after EC 7174 arrives on the timetable: more than half a day, so not a connection we count.