Originally Posted by
highupinthesky
SK has never prioritized Berlin in my view, but I haven't checked the schedule lately, so I can't tell whether it's become even worse or it's just a summer drop. During the summer period you will often see a drop in service to some of the European cities as business travel goes down in July/August while leisure goes up. Also SK needs to free some birds for the charter traffic during the summer period.
It is not a summer drop for sure. It has been in peak business travel season as well. With all of the Danish tourists going to Berlin, I would expect summer vacation time to be more busy than business travel seasons.