BA 482 then LA 5792 at Barcelona
London Heathrow → Barcelona → Gran Canaria
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gate
13:55LA 5792 to Gran Canaria leaves the gate
23 h 15 apart on the timetable, overnight
LA 5792 leaves 23 h 15 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.