air lane vs path

air lane and path both are nouns.

Word	Noun	Adjective	Verb	Adverb
air lane	Yes	No	No	No
path	Yes	No	No	No

As nouns, path is a hypernym of air lane; that is, path is a word with a broader meaning than air lane:

air lane: a designated route followed by airplanes in flying from one airport to another
path: an established line of travel or access

Other hypernyms of air lane include itinerary, route.

air lane (noun)	path (noun)
a designated route followed by airplanes in flying from one airport to another	a course of conduct
	a way especially designed for a particular use
	an established line of travel or access
	a line or route along which something travels or moves