VY 1097 then BA 495 at Barcelona
Düsseldorf → Barcelona → London Heathrow
Timetable, Barcelona time
23:15VY 1097 from Düsseldorf at the gatealso IB 5052, LL 5052
20:45BA 495 to London Heathrow leaves the gate
21 h 30 apart on the timetable, overnight
BA 495 leaves 21 h 30 after VY 1097 arrives on the timetable: more than half a day, so not a connection we count.