FR 6926 then IB 5940 at Barcelona
Rome → Barcelona → Nice
Timetable, Barcelona time
07:45FR 6926 from Rome at the gate
21:20IB 5940 to Nice leaves the gatealso LL 5940, VY 8136
13 h 35 apart on the timetable
IB 5940 leaves 13 h 35 after FR 6926 arrives on the timetable: more than half a day, so not a connection we count.