IB 5405 then EW 7521 at Barcelona
London Gatwick → Barcelona → Hamburg
Timetable, Barcelona time
16:55IB 5405 from London Gatwick at the gatealso LL 5405, VY 7609
10:10EW 7521 to Hamburg leaves the gate
17 h 15 apart on the timetable, overnight
EW 7521 leaves 17 h 15 after IB 5405 arrives on the timetable: more than half a day, so not a connection we count.