In terms of typical cruising speeds, the Airbus A380 is slightly faster than most variants of the Boeing 777. The A380 is designed to cruise at approximately Mach 0.85 (about 560 mph or 900 km/h at altitude), whereas the standard Boeing 777-300ER typically cruises at Mach 0.84. While this 0.01 Mach difference seems negligible, it can shave 10 to 15 minutes off a long-haul transoceanic flight. It is worth noting that the newer Boeing 777X, which is seeing increased service in 2026, is designed to match the A380's Mach 0.85 cruise speed. However, both are outpaced by the Boeing 747-8, which remains the fastest commercial airliner with a cruise speed of Mach 0.86. Actual flight times are often dictated more by high-altitude jet streams and air traffic control routing than the aircraft's maximum cruise capability, as airlines often fly slightly slower than the maximum rated speed to optimize fuel efficiency and reduce carbon emissions.