IB 5467 then LA 5758 at Barcelona
Lyon → Barcelona → Rome
Timetable, Barcelona time
15:40IB 5467 from Lyon at the gatealso LL 5467, VY 8127
14:40LA 5758 to Rome leaves the gate
23 h apart on the timetable, overnight
LA 5758 leaves 23 h after IB 5467 arrives on the timetable: more than half a day, so not a connection we count.