DY 421 then DY 404 at Oslo
Aro → Oslo → Alesund
Timetable, Oslo time
07:40DY 421 from Aro at the gate
12:20DY 404 to Alesund leaves the gate
4 h 40 apart on the timetable
The last days
DY 421 and DY 404 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.