DY 4156 then DY 4121 at Arlanda
Copenhagen → Stockholm → Oslo
Timetable, Stockholm time
11:00DY 4156 from Copenhagen at the gate
17:30DY 4121 to Oslo leaves the gate
6 h 30 apart on the timetable
The last days
DY 4156 and DY 4121 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.