Big difference.
Folks had been watching "facts" for hundreds of years when they flew kites. The Wright Brothers, however, came up with an idea, and proved it with a working model.
Big difference.
Maybe in your mind however he constituted theory using the method of science. The method of science is observation of a material fact, evidence and emperical evidence of the fact and a explination of the fact. Theories are composed of facts and laws. It is not the model of evolution.