There is no such aircraft.
There are many different Airbus aircraft. Most fly between 540 and 630 mph.
The A320 flies at about 515 mph.
a bit more than 600kph
The A 300 flies at 544 mph.
The A 320's max speed is 537 mph.
The Airbus A380-800 has a maximum cruise speed of Mach 0.89 (945 km/h, 587 mph, 510 knots).
Depends on the Airbus Aircraft you're talking about.
The cruising speed is 541 miles per hours. with a maximum cruising speed of 568 mph.
The minimum speed required to fly an airbus is 300 kilometres per hour.
Air bus 380 can fly with max speed of 1020km/h.Its maximum operating speed at cruise altitude is 945 km/h.
None: there is no such thing as an Airbus 390.