SN 3132 then A3 623 at Brussels
Catania → Brussels → Athens
Timetable, Brussels time
20:55SN 3132 from Catania at the gate
19:55A3 623 to Athens leaves the gate
23 h apart on the timetable, overnight
A3 623 leaves 23 h after SN 3132 arrives on the timetable: more than half a day, so not a connection we count.