There is no real "rule" but they do seem to be trending towards monthly announcements of extension of their global suspensions. It certainly isn't anything you can take to the bank (sorry...bad analogy) but that seems to be the case recently. Now you're going to ask when, during the month, and I cannot answer that.
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One of the YouTube channels I watch (that gets it wrong a lot), so I won't mention the name spent 8 minutes on it, most of which was speculation click bait. I REALLY hope Empress is spared. Love that ship.
I hope its not true but you need to take everything said during company earnings calls and within their SEC filings with a grain of salt. No company will reveal any future plans until they are 1000% definitive and the statements made almost always allow wiggle room so anything is possible.
The below link is to a ship brokers website where if you scroll down you'll recognize several Royal ships (newer and bigger than the Empress and Majesty) that could be sale if the price is right. These listings are from before COVID even materialized. Royal's business plan is the mass market, any opportunity to remove smaller lower margin ship to free up capacity for newer larger ships or in the post-COVID world, remove low margin over capacity will be seriously considered. I'm sure the accountants view this as a great time to take large write-offs associated with the sale/scrapping of a vessel.
While I love the newer larger ships, I do still love both the Empress and Majesty, they are very sentimental to me and every now and then I enjoy the intimacy of a smaller ship. I am very hopeful that Royal can hold onto these ships but every day this pandemic drags on makes that a harder proposition for them.