The will not be able to fly overland in most places while going supersonic for the foreseeable future. The real demand for this plane is going to be long haul business travel where flights are 10+ hours and those of us doing it regularly are already forking over 4 - 7K per ticket normally. Fortunately if you look at the world most of the cities you will want to fly to are basically on the coast, or a short distance inland.