In a nutshell, Carnival Horizon will start out in the Mediterranean sailing from Barcelona, then move to New York for a Caribbean program, and ultimately it will move to Miami for year round Caribbean cruising. The big difference is that Carnival Horizon will be sailing in Europe just for a month, and New York sailings were expanded to the entire summer.
While that's going to disappoint some, Carnival is just following the market trends which say most of its core American market wants to cruise closer to home.
The complete story appeared in the January 24 edition of Cruise News Daily.