IB 5401 then EW 7521 at Barcelona
London Gatwick → Barcelona → Hamburg
Timetable, Barcelona time
13:10IB 5401 from London Gatwick at the gatealso LL 5401, VY 7605, BA 8059
10:10EW 7521 to Hamburg leaves the gate
21 h apart on the timetable, overnight
EW 7521 leaves 21 h after IB 5401 arrives on the timetable: more than half a day, so not a connection we count.