BA 8063 then EW 7521 at Barcelona
London Gatwick → Barcelona → Hamburg
Timetable, Barcelona time
16:55BA 8063 from London Gatwick at the gate
10:10EW 7521 to Hamburg leaves the gate
17 h 15 apart on the timetable, overnight
EW 7521 leaves 17 h 15 after BA 8063 arrives on the timetable: more than half a day, so not a connection we count.