blind flying vs flying

blind flying and flying both are nouns.

Word	Noun	Adjective	Verb	Adverb
blind flying	Yes	No	No	No
flying	Yes	Yes	No	No

As nouns, flying is a hypernym of blind flying; that is, flying is a word with a broader meaning than blind flying:

blind flying: using only instruments for flying an aircraft because you cannot see through clouds or mists etc.
flying: an instance of traveling by air

Other hypernyms of blind flying include flight.

blind flying (noun)	flying (noun)
using only instruments for flying an aircraft because you cannot see through clouds or mists etc.	an instance of traveling by air

blind flying (adjective)	flying (adjective)
	hurried and brief
	moving swiftly