DY 4030 then DY 2615 at Arlanda
Lulea → Stockholm → Helsinki
Timetable, Stockholm time
08:00DY 4030 from Lulea at the gate
20:25DY 2615 to Helsinki leaves the gate
12 h 25 apart on the timetable
DY 2615 leaves 12 h 25 after DY 4030 arrives on the timetable: more than half a day, so not a connection we count.