FI 6404 then IB 5338 at Barcelona
Lisbon → Barcelona → Rome
Timetable, Barcelona time
11:45FI 6404 from Lisbon at the gate
11:30IB 5338 to Rome leaves the gatealso LL 5338
23 h 45 apart on the timetable, overnight
IB 5338 leaves 23 h 45 after FI 6404 arrives on the timetable: more than half a day, so not a connection we count.