VY 3619 then IB 5424 at Barcelona
Mahón → Barcelona → London Heathrow
Timetable, Barcelona time
22:20VY 3619 from Mahón at the gatealso QR 5524, IB 5703, LL 5703
18:45IB 5424 to London Heathrow leaves the gatealso LL 5424, VY 7642, BA 8084
20 h 25 apart on the timetable, overnight
IB 5424 leaves 20 h 25 after VY 3619 arrives on the timetable: more than half a day, so not a connection we count.