DY 3656 then U2 8056 at Barcelona
Copenhagen → Barcelona → London Gatwick
Timetable, Barcelona time
11:45DY 3656 from Copenhagen at the gate
14:45U2 8056 to London Gatwick leaves the gate
3 h apart on the timetable
The last days
DY 3656 and U2 8056 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.