Join Date: Sep 2005
Location: HEL
Programs: AY Platinum, TK Elite, BT Executive, AA, BA, SK, DL, NT, WB + hotels
Posts: 10,265
In principle it is all AY operated flights ex-HEL between 3 pm Sunday and 3 pm Monday. Of course it affects the return flights as well. If I were you, I'd rebook ASAP. SK does not have much capacity.
Norra flights should not be affected. I would also assume that outsourced destinations remain unaffected (MAD, BCN, SIN, HKG, DEL, BOM...)