BA 2571 then EC 8065 at Gatwick
Bordeaux → London → Barcelona
Timetable, London time
10:50BA 2571 from Bordeaux at the gate
09:10EC 8065 to Barcelona leaves the gate
22 h 20 apart on the timetable, overnight
EC 8065 leaves 22 h 20 after BA 2571 arrives on the timetable: more than half a day, so not a connection we count.