The Tampa-based Empress of the Seas' Sept. 23, Sept. 27, Oct. 2, Oct. 7 and Oct. 11 Cuba sailings are no longer modified.
On Wednesday the ship called at Havana, where the cruise terminal, port and transportation were ready and all tours ran as scheduled.
'The city is ready and receiving visitors and delivering the authentic experience this historical destination is known for,' Royal Caribbean said, and provided images showing clear streets, intact buildings and standing trees.
The line also received confirmation that Empress of the Seas can return to Key West starting Sept. 24.
This is well ahead of Royal Caribbean's anticipated Oct. 20 resumption of calls there, after the city's devastation by Hurricane Irma.
Immediately following Irma, the line had offered passengers with concerns about visiting Cuba the ability to cancel and receive a future cruise credit.
'As Havana and Key West are both ready to welcome guests, our offer will end by close of business Sunday, Sept. 24. All cancellations to receive a cruise credit must be completed by this time so we can offer the stateroom to another traveler,' Royal Caribbean said.
Empress of the Seas operates four- and five-night Cuba cruises with stops at Havana and Key West; some sailings also visit Cozumel.