Here's why:
* Technology: Achieving supersonic speeds requires specialized aircraft designs and powerful engines, which are not currently economically viable for commercial airlines.
* Sonic booms: Supersonic flight creates sonic booms, which are loud and disruptive. The noise pollution generated by supersonic commercial flights would be unacceptable to communities and would create regulatory hurdles.
* Cost: Supersonic aircraft are significantly more expensive to build and operate than subsonic aircraft.
* Fuel Efficiency: Supersonic aircraft are less fuel-efficient than subsonic aircraft, which would make them commercially unfeasible.
However, there are ongoing efforts to develop new supersonic passenger aircraft, with companies like Boom Supersonic and Aerion AS2 developing prototypes. These companies are exploring ways to reduce the cost, noise, and environmental impact of supersonic flight.
While it's possible that commercial supersonic airliners may become a reality in the future, it's still a long way off.