LA 5798 then IB 5342 at Barcelona
Lisbon → Barcelona → Rome
Timetable, Barcelona time
23:55LA 5798 from Lisbon at the gate
14:40IB 5342 to Rome leaves the gatealso LL 5342
14 h 45 apart on the timetable, overnight
IB 5342 leaves 14 h 45 after LA 5798 arrives on the timetable: more than half a day, so not a connection we count.