There will be several features on the Carnival Horizon that are also on the Carnival Vista. Some of these features include programs and places such as Seuss At Sea, Family Harbor staterooms, Alchemy Bar, Skyride, and the IMAX Theatre. Carnival's press release notes that some new features will debut on the Carnival Horizon, but these will be announced at a later time.
The Carnival Horizon's inaugural cruise will be a 13 night cruise that departs April 2, 2018, and this cruise will depart from Barcelona, Spain. Following this cruise, the Carnival Horizon will sail two seven night cruises that depart on April 15 and April 22, 2018 from Barcelona, Spain. After these two cruises conclude, the Carnival Horizon will sail a 10 night cruise which departs from Barcelona also.
After the Carnival Horizon's Mediterranean Season, the ship will sail a repositioning cruise to New York. This cruise will be 14 nights and depart Barcelona on May 9, 2018. Carnival's press release notes, the following ports are scheduled for the repositioning cruise including: Malaga (Spain), Gibraltor, Lisbon (Portugal), Vigo (Spain), and Halifax.
Once the Carnival Horizon arrives in New York City the ship will offer 8 night cruises that visit ports such as Amber Cove, Grand Turk, and San Juan. Carnival's press release states departure dates for the Carnival Horizon from New York are May 28, June 5, June 13, June 25, July 3, July 11, July 23, July 31, August 8, August 20, August 28, and September 5. Please note, Carnival's press release says additional New York cruises will be announced soon.
Following the Carnival Horizon's New York City deployment, the ship will begin cruising from Miami, Florida. The ship will primarily sail 6 & 8 night cruises from Miami. The 6 night cruises will depart on Sundays and are scheduled to have ports of call at Ocho Rios, Grand Cayman, and Cozumel. For 8 night cruises, the Carnival Horizon will have 2 different itinerary combinations. One 8 night cruise combination is scheduled to have port of call stops at Grand Turk, La Romana, Curacao, and Aruba. The other 8 night cruise combination is scheduled to have port of call stops at Grand Turk, San Juan, St. Kitts, and St. Maarten. The 8 night cruises will typically depart Miami on Saturdays.
Carnival has already opened bookings up for the Carnival Horizon's cruises. At the time of writing, bookings for the Carnival Horizon are open through April 2019.
For more information please visit Carnival's official press release: Click Here
This link will take you to Carnival's website's Carnival Horizon page. Here you can find information about the ship as well as deck plans: Click Here