DY 8480 then DY 821 at Arlanda
Riga → Stockholm → Oslo
Timetable, Stockholm time
09:10DY 8480 from Riga at the gate
18:30DY 821 to Oslo leaves the gate
9 h 20 apart on the timetable
The last days
DY 8480 and DY 821 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.