What is maximum speed of airbus and of boeing?

The maximum cruising speed of an Airbus aircraft, such as the A350, is approximately 560 mph (900 km/h). For Boeing, the 777 has a similar maximum cruising speed of around 560 mph (900 km/h) as well. However, specific models can vary, with some Boeing models like the 747 reaching up to 614 mph (988 km/h). Overall, both manufacturers produce aircraft with comparable maximum speeds.