skyway vs flight path

skyway and flight path both are nouns.

Word	Noun	Adjective	Verb	Adverb
skyway	Yes	No	No	No
flight path	Yes	No	No	No

As nouns, skyway and flight path are synonyms defined as:

skyway and flight path: a designated route followed by airplanes in flying from one airport to another

Other synonyms of skyway include air lane, airway.

skyway (noun)	flight path (noun)
a designated route followed by airplanes in flying from one airport to another	a designated route followed by airplanes in flying from one airport to another
	the path of a rocket or projectile or aircraft through the air