[10] On 14 July 2014, NCL announced that it had reached an agreement with Meyer Werft for a €1.6 billion order of two new Breakaway Plus-class ships, scheduled for delivery in 2018 and 2019, respectively.

[12] Construction started with the ship's steel cutting on 31 January 2018, the day her name was also announced as Norwegian Encore.

[4][13] Norwegian Encore's float-out was on 17 August 2019 and the ship was towed from the building dock to receive her funnel cladding and further outfitting.

[6] The ship held different preview events in New York and Miami upon her arrival in North America, prior to her christening and debut.

[18] Norwegian Encore was scheduled to homeport in New York in summer 2020 to sail to Bermuda, the Maritimes, and New England, before moving back to Miami in winter 2020 to cruise the Western Caribbean.

[18] In spring 2021, she was expected to make her first full Panama Canal transit to be deployed to Seattle for her first summer Alaska season.