BA 482 then EW 7521 at Barcelona
London Heathrow → Barcelona → Hamburg
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gate
09:20EW 7521 to Hamburg leaves the gate
18 h 40 apart on the timetable, overnight
EW 7521 leaves 18 h 40 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.