IB 5423 then VY 3502 at Barcelona
London Heathrow → Barcelona → Ibiza
Timetable, Barcelona time
13:10IB 5423 from London Heathrow at the gatealso LL 5423, VY 7641, BA 8083
11:05VY 3502 to Ibiza leaves the gatealso QR 3535, IB 5246, LL 5246
21 h 55 apart on the timetable, overnight
VY 3502 leaves 21 h 55 after IB 5423 arrives on the timetable: more than half a day, so not a connection we count.