DY 3658 then IB 5834 at Barcelona
Copenhagen → Barcelona → London Gatwick
Timetable, Barcelona time
20:00DY 3658 from Copenhagen at the gate
19:50IB 5834 to London Gatwick leaves the gatealso LL 5834, VY 7626, BA 8080
23 h 50 apart on the timetable, overnight
IB 5834 leaves 23 h 50 after DY 3658 arrives on the timetable: more than half a day, so not a connection we count.