IB 5403 then LA 5758 at Barcelona
London Gatwick → Barcelona → Rome
Timetable, Barcelona time
16:05IB 5403 from London Gatwick at the gatealso LL 5403, VY 7607
14:40LA 5758 to Rome leaves the gate
22 h 35 apart on the timetable, overnight
LA 5758 leaves 22 h 35 after IB 5403 arrives on the timetable: more than half a day, so not a connection we count.