BA 482 then QR 3670 at Barcelona
London Heathrow → Barcelona → Nantes
Timetable, Barcelona time
17:15BA 482 from London Heathrow at the gate
06:55QR 3670 to Nantes leaves the gate
13 h 40 apart on the timetable, overnight
QR 3670 leaves 13 h 40 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.