By 2050, aircraft design is expected to move away from the traditional "tube-and-wing" layout toward radical new architectures aimed at achieving net-zero emissions. One of the most promising concepts is the Blended-Wing Body (BWB), where the fuselage and wings merge into a single, sleek triangular shape. This design significantly increases lift and reduces drag, potentially cutting fuel consumption by up to 20-30%. We may also see the return of supersonic travel with jets like Boom’s Overture, which uses "Mach cutoff" technology to prevent sonic booms from reaching the ground. Propulsion will likely shift toward hydrogen fuel cells or SAF-ready (Sustainable Aviation Fuel) open-fan rotors, which feature visible, unencased blades for maximum efficiency. Airbus is currently testing "ZEROe" demonstrators that utilize liquid hydrogen as a primary power source. Inside, cabins may feature lightweight bio-composites and high-definition screens instead of windows to further reduce weight. While regional travel might be dominated by high-speed VTOL (Vertical Take-Off and Landing) electric aircraft, long-haul flight in 2050 will be defined by ultra-efficient, wide-bodied shapes that prioritize aerodynamics and sustainability over traditional aesthetics.