BA 793 then VY 7643 at Heathrow
Göteborg → London → Barcelona
Timetable, London time
21:10BA 793 from Göteborg at the gate
20:50VY 7643 to Barcelona leaves the gate
23 h 40 apart on the timetable, overnight
VY 7643 leaves 23 h 40 after BA 793 arrives on the timetable: more than half a day, so not a connection we count.