>99% is possible for the Starship because it has a lot of pitch control, and can fly a trajectory in the atmosphere where it maximizes lift for as long as it ca

>99% is possible for the Starship because it has a lot of pitch control, and can fly a trajectory in the atmosphere where it maximizes lift for as long as it can. A capsule doing a simpler landing generally needs to get rid of about 400m/s using other methods, based on NASA's past missions.