IB 5403 then FI 6405 at Barcelona
London Gatwick → Barcelona → Lisbon
Timetable, Barcelona time
16:05IB 5403 from London Gatwick at the gatealso LL 5403, VY 7607
14:35FI 6405 to Lisbon leaves the gatealso S4 8947
22 h 30 apart on the timetable, overnight
FI 6405 leaves 22 h 30 after IB 5403 arrives on the timetable: more than half a day, so not a connection we count.