In 2026, the RMS Queen Mary 2 (QM2) remains the fastest passenger vessel currently in service for Transatlantic crossings. As the world's only true ocean liner—rather than a standard cruise ship—she was built specifically for the rigors of the North Atlantic with a reinforced hull and powerful propulsion system. While her top speed is approximately 30 knots (35 mph), she typically cruises at a more fuel-efficient 20–24 knots, completing the journey from Southampton to New York in 7 nights. This is significantly faster than standard cruise ships, which are designed for leisure and usually take 9 to 14 nights to make the same crossing. Historically, the record for the fastest crossing (the Blue Riband) is held by the SS United States, which in 1952 crossed in just 3 days and 10 hours at an incredible 35 knots, but that ship is long retired. In 2026, the QM2 stands alone as the only ship capable of maintaining high speeds in rough seas, providing the quickest scheduled maritime link between Europe and North America.