How fast do fighter jets fly? Speed is an important factor in a fighter jet's combat capability, allowing pilots to engage in air-to-air combat, escape hostile missiles, and intercept other aircraft with accuracy. Most current fighter jets, such as the F/A-18 Hornet and Sukhoi Su-35, have a maximum speed of Mach 1.8 to Mach 2, or around 1,200 to 1,500 miles per hour (1,931 to 2,414 kilometers per hour). This speed allows pilots to respond swiftly during combat, positioning themselves for favorable attack angles or escaping impending threats. However, flying at such high speeds necessitates precise control and training, as the g-forces exerted on the pilot during high-speed twists and maneuvers can be physically taxing. Pilots must balance speed and agility to maintain tactical advantages.