LA 5798 then IB 5410 at Barcelona
Lisbon → Barcelona → London Gatwick
Timetable, Barcelona time
23:55LA 5798 from Lisbon at the gate
13:55IB 5410 to London Gatwick leaves the gatealso LL 5410, VY 7614
14 h apart on the timetable, overnight
IB 5410 leaves 14 h after LA 5798 arrives on the timetable: more than half a day, so not a connection we count.