According to Atlantic Sun Airways' checklist, it's in the neighborhood of 145 kts. or 166.863 m/h.
and why do you want to know?
The 757 is a jet airplane. It does not have propellors.
530 miles an hour
United Airlines Flight 93 was a Boeing 757.
155 knot average
Its top speed, according to Boeing, is 609 mph
138 knots average
it is commonly 140 mph on average
757
the cost of a Boeing 757-200 is $65 million and the cost of a 757-300 is $80 million
It honestly depends on what type of 757 you use. 757-200, -200F, -200WL, or -300 Boeing 757-200: 3,900 nautical miles Boeing 757-200F: 3,150 nautical miles Boeing 757-200WL: 4,100 nautical miles Boeing 757-300: 3,467 nautical miles
747
The four airplanes, all operated by American airline companies, were # American Airlines Flight 11, a Boeing 767-223ER # United Airlines Flight 175, a Boeing 767-200ER # American Airlines Flight 77, a Boeing 757-223 # United Airlines Flight 93, a Boeing 757-222