Fast enough to do the job. The actual maximum speed of all stealth aircraft is classified. Like any aircraft, the speed will depend on many factors.
It depends on the plane, they didn't have much of a "stealth" plane though.
There is no 'best' stealth plane. It's a silly question with no real answer.
A stealth plane would be illegal without orders from authority and if you were to construct a stealth plane, it would depend what equipment you are storing (bombs and etc).
fly to fast,out of gas
Planes fly about 80 to 100 miles per-hour.
The stealth bomber can fly up to 50,000 ft above sea level.
The Spitfire could reach 606 mph .
the concord flew mach3 from what I`ve researched
There is not such plane as a Boeing 763 that has been made.
A fast aeroplane will be faster than any helicopter, but a fast helicopter can be faster than a slow aeroplane.
The Hurricane could fly at about 340 mph.