how fast does a 737 fly
Most of us relate to cars, and velocity (speed) across the ground. Wind speeds at altitudes where 737's fly can reach 100 mph and therefor dictate how fast a plane travels over the ground (directly below it).s I recall, earlier versions of the 737 cruised at a relatively slow .74M (485mph), while later versions have increased to around .78M (510mph). Maximum speed is ,82M, or 51 â¦ 1 mph.     If you have flight simulator 2004 or Flight Sim X the top speed is 340 kph.