Urban air travel is getting serious attention now. Cities want faster ways to move people and goods, and electric air taxis and drones are turning from ideas into reality. Engineers are creating small aircraft that can fly above traffic jams, cutting travel time across cities. To prepare for crowded skies, NASA is building systems to keep flying traffic safe and orderly. Their recent simulation at Ames Research Center proved these ideas can work. Called the Strategic Deconfliction Simulation, it helps make sure drones and air taxis don’t fly in the same spot at the same time by coordinating flight plans ahead of time. In the test, hundreds of drones and air taxis simulated flights over Dallas-Fort Worth, showing how careful planning can avoid collisions and delays. NASA introduced two key tools: the Situational Viewer, which shows real-time air traffic, and the Demand Capacity Balancing Monitor, which adjusts flight plans when skies get busy. NASA is working closely with companies like ANRA Technologies to combine research and real-world systems. Their joint demo showed how managing entire fleets and ground operations can all work together smoothly. NASA engineer Hanbong Lee said simulations are vital for safely integrating new flying machines into city airspace. The goal is to make urban air travel safe, reliable, and trusted as it grows. More advanced simulations will follow in 2026 to further refine how cities handle air taxis and drones. This work is part of NASA’s Air Mobility Pathfinders project, paving the way for a future where air taxis and drones become part of everyday city life. NASA’s latest tests mark a big step toward that safer, smarter sky.