QR 3615 then EC 7155 at Barcelona
Catania → Barcelona → Milan
Timetable, Barcelona time
22:35QR 3615 from Catania at the gatealso IB 5803, LL 5803, VY 6119
18:50EC 7155 to Milan leaves the gate
20 h 15 apart on the timetable, overnight
EC 7155 leaves 20 h 15 after QR 3615 arrives on the timetable: more than half a day, so not a connection we count.