BA 941 then VY 7643 at Heathrow
Düsseldorf → London → Barcelona
Timetable, London time
07:45BA 941 from Düsseldorf at the gate
20:50VY 7643 to Barcelona leaves the gate
13 h 05 apart on the timetable
VY 7643 leaves 13 h 05 after BA 941 arrives on the timetable: more than half a day, so not a connection we count.