Speed has always defined aviation, but the return of commercial supersonic flight is less about breaking records than about economics. New aircraft aim to cross oceans in half the time while burning fuel a business model can justify. The engineering has advanced; the harder question is whether the numbers work at scale.
Quieter booms, sustainable fuels, and lighter composite airframes have moved supersonic travel from fantasy toward feasibility. Regulators, airports, and airlines each hold a piece of the puzzle, and none will move without the others.
The next few years will show whether faster flight becomes a niche luxury or a genuine shift in how we cross the planet.