DY 3515 then DY 5511 at Copenhagen
London Gatwick → Copenhagen → Barcelona
Timetable, Copenhagen time
16:55DY 3515 from London Gatwick at the gate
11:35DY 5511 to Barcelona leaves the gate
18 h 40 apart on the timetable, overnight
DY 5511 leaves 18 h 40 after DY 3515 arrives on the timetable: more than half a day, so not a connection we count.