DY 4156 then AY 816 at Arlanda
Copenhagen → Stockholm → Helsinki
Timetable, Stockholm time
11:00DY 4156 from Copenhagen at the gate
17:40AY 816 to Helsinki leaves the gate
6 h 40 apart on the timetable
The last days
DY 4156 and AY 816 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.