Sadly, the S.S. United States, the fastest transatlantic liner ever, is about to be disposed of by sinking.[2] 35 knot top speed. Southampton to New York in 3.5 days. No market for that once air travel crossed the Atlantic.
[1] https://en.wikipedia.org/wiki/Slow_steaming
[2] https://6abc.com/post/what-are-doing-ss-united-states-histor...