Around 40,000 feet depending on wind and gross weight
The cruising altitude of Boeing 747 is 30,000 feet.
The Maximum is 41,000 ft don't know about cruising
Somewhere around 25,000 ft.
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.
Depends on the cruise altitude, & the weather at the time. Typically around -40degrees Celsius, at FL 33,000 ft.
The Dreamliner´s groundspeed at cruising altitude is about 480kts. / 550mph. / 890 km/h.
The Boeing 777 can fly up to altitudes of 43,100ft, however, its normal cruising attitude is anywhere between 35,000 feet and 39,000 feet.
35,000ft is the typical cruising altitude.
Both, the Boeing 777 and the Boeing 787 have extremely long range than any other airplanes. The Boeing 777 is very old and it been around much longer than the Boeing 787. The Boeing 777 can also carry more passengers than the Boeing 787 but the Boeing 787 is lighter, can take off faster and easier, can travel faster and has more longer range than the Boeing 777. The Boeing 777 is heavier than the Boeing 787. Size does not even matter but the altitude and the range! Top speed of the Boeing 777: 567 miles per hour Top speed of the Boeing 787: 677 miles per hour Maximum cruising altitude of the Boeing 777: 43, 400 ft Maximum cruising altitude of the Boeing 787: 45, 200 ft
The top speed of a Boeing 777 is:0.89 Mach / 590 mph / 950 km/h / 512 knots.It all depends on the weight, cruising altitude and the amount of fuel you have. But the usual is 944 km per hour. That is 510 knots.
Cruising Speed Boeing 707 (currently out of production): 550 mph (885 km/h).