DY 3657 then DY 3214 at Copenhagen
Barcelona → Copenhagen → Stockholm
Timetable, Copenhagen time
15:30DY 3657 from Barcelona at the gate
19:50DY 3214 to Stockholm leaves the gate
4 h 20 apart on the timetable
Copenhagen’s board shows about 80% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
DY 3657 and DY 3214 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.