AZ 74 then IB 5480 at Barcelona
Rome → Barcelona → Nantes
Timetable, Barcelona time
10:50AZ 74 from Rome at the gate
10:45IB 5480 to Nantes leaves the gatealso VY 8140
23 h 55 apart on the timetable, overnight
IB 5480 leaves 23 h 55 after AZ 74 arrives on the timetable: more than half a day, so not a connection we count.