IB 5803 then A3 713 at Barcelona
Catania → Barcelona → Athens
Timetable, Barcelona time
20:55IB 5803 from Catania at the gatealso LL 5803, VY 6119
20:00A3 713 to Athens leaves the gate
23 h 05 apart on the timetable, overnight
A3 713 leaves 23 h 05 after IB 5803 arrives on the timetable: more than half a day, so not a connection we count.