DY 1551 then DY 940 at Oslo
Budapest → Oslo → Copenhagen
Timetable, Oslo time
14:50DY 1551 from Budapest at the gate
19:00DY 940 to Copenhagen leaves the gate
4 h 10 apart on the timetable
The last days
DY 1551 and DY 940 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.