BA 476 then QR 3625 at Barcelona
London Heathrow → Barcelona → Hannover
Timetable, Barcelona time
11:25BA 476 from London Heathrow at the gate
06:55QR 3625 to Hannover leaves the gate
19 h 30 apart on the timetable, overnight
QR 3625 leaves 19 h 30 after BA 476 arrives on the timetable: more than half a day, so not a connection we count.