IB 401 then EC 7151 at Barcelona
Madrid → Barcelona → Milan
Timetable, Barcelona time
08:00IB 401 from Madrid at the gatealso LA 1518, LL 3001, VY 5006, AY 5571, DT 6002, AV 6029, BA 7123, QR 8002
07:30EC 7151 to Milan leaves the gate
23 h 30 apart on the timetable, overnight
EC 7151 leaves 23 h 30 after IB 401 arrives on the timetable: more than half a day, so not a connection we count.