I've just realised (I know it's dopey) that one of my set of flights have a 30-min connection at ARN.
It is SAS to SAS, Schengen to Schengen, and both are in SAS Plus (not that it would make much difference perhaps, although I guess I get to get off faster).

Is that a realistic connection with baggage, or should I really look at rebooking it with more generous connection time?

There is a later flight from ARN to where I'm going (OSL) but of course it wouldn't be any good on the day unless there is a spare seat.

They are on a single ticket, booked on SAS.