FR 5271 then IB 5940 at Barcelona
Manchester → Barcelona → Nice
Timetable, Barcelona time
21:55FR 5271 from Manchester at the gate
21:20IB 5940 to Nice leaves the gatealso LL 5940, VY 8136
23 h 25 apart on the timetable, overnight
IB 5940 leaves 23 h 25 after FR 5271 arrives on the timetable: more than half a day, so not a connection we count.