IB 5423 then VY 3068 at Barcelona
London Heathrow → Barcelona → La Palma
Timetable, Barcelona time
13:10IB 5423 from London Heathrow at the gatealso VY 7641
06:50VY 3068 to La Palma leaves the gatealso IB 5587, LL 5587
17 h 40 apart on the timetable, overnight
VY 3068 leaves 17 h 40 after IB 5423 arrives on the timetable: more than half a day, so not a connection we count.