Originally Posted by turboflyin

Can you explain how a jet that holds 70+ people, in multiple classes and operates on routes such as STL-SFO, or IAH-BDL is an RJ?

The 200 is an RJ. The 175 is not. If it is, than a 717 or MD80 is also an RJ.

Other than the 20 min hops the 200 does, there is nothing regional about these aircraft.