FR 3929 then IB 5854 at Barcelona
Trieste → Barcelona → Manchester
Timetable, Barcelona time
17:05FR 3929 from Trieste at the gate
11:15IB 5854 to Manchester leaves the gatealso LL 5854, VY 7754, BA 8104
18 h 10 apart on the timetable, overnight
IB 5854 leaves 18 h 10 after FR 3929 arrives on the timetable: more than half a day, so not a connection we count.