holding pattern vs skyway

holding pattern and skyway both are nouns.

Word	Noun	Adjective	Verb	Adverb
holding pattern	Yes	No	No	No
skyway	Yes	No	No	No

As nouns, skyway is a hypernym of holding pattern; that is, skyway is a word with a broader meaning than holding pattern:

holding pattern: the flight path (usually circular) maintained by an aircraft that is awaiting permission to land
skyway: a designated route followed by airplanes in flying from one airport to another

Other hypernyms of holding pattern include air lane, airway, flight path.

holding pattern (noun)	skyway (noun)
the flight path (usually circular) maintained by an aircraft that is awaiting permission to land	a designated route followed by airplanes in flying from one airport to another
a state of inaction with no progress and no change