Yes, a plane can go 2000 mph, but in 2026, this capability is almost entirely reserved for military and experimental aircraft. The most famous example is the Lockheed SR-71 Blackbird, which could sustain speeds over 2,193 mph (Mach 3.3) back in the 1970s. In the modern era, high-end fighter jets like the F-15 or the Russian MiG-31 can exceed 1,500 mph, and experimental scramjet prototypes have gone significantly faster. However, in the world of commercial aviation, there are no passenger planes that go 2000 mph. The Concorde, which retired in 2003, topped out at about 1,350 mph (Mach 2.04). While companies like Boom Supersonic are working on new passenger jets for the late 2020s, they are targeting speeds around 1,300 mph. Going 2000 mph in a commercial setting presents massive engineering challenges, including intense frictional heat on the aircraft's skin and the immense fuel consumption required to push through the air at three times the speed of sound.