FR 3929 then LA 5810 at Barcelona
Trieste → Barcelona → Bologna
Timetable, Barcelona time
15:30FR 3929 from Trieste at the gate
11:50LA 5810 to Bologna leaves the gate
20 h 20 apart on the timetable, overnight
LA 5810 leaves 20 h 20 after FR 3929 arrives on the timetable: more than half a day, so not a connection we count.