The cruising altitude of Boeing 747 is 30,000 feet.
The cruising altitude of a normal commercial jet airplane today is around 12,000 m (35,000 ft).
The service ceiling of a Boeing 747 is 43,000 ft. The maximum is 45,000 ft.
The cruising altitude of a 747 depends on weather conditions, weight of the aircraft, and the amount of traffic on the other flight levels. Its average cruising altitude is around 33,000 feet.
585 mph cruising speed
The Boeing 747 has a service ceiling altitude of 43,100 ft (13,100 m)
The maximum certificated altitude for the 747 is 45,100 feet.
The maximum altitude for a 747 is 45,100 feet.
Varies between aircraft however a Boeing 747 at cruising altitude normally burns around 24,000 lbs p/hour for all 4 engines, this is only at cruising altitude and varies at different points during the flight
A 747 typically cruises at 0.84 mach/560 nautical miles per hour.
Maximum speed for a 747 is 0.92 mach. Normal cruise is between 0.82 and 0.85 mach at altitudes up to 45,100 feet. meaning about 200 mph give or take.
The Boeing 747-8I series has a cruising speed of 570 mph (Mach 0.855). It's maximum speed (both the 400 and 8I series) is 614 mph (Mach 0.92).