head-in-the-clouds vs flighty

head-in-the-clouds and flighty both are adjectives.

Word	Noun	Adjective	Verb	Adverb
head-in-the-clouds	No	Yes	No	No
flighty	No	Yes	No	No

As adjectives, head-in-the-clouds and flighty are synonyms defined as:

Other synonyms of head-in-the-clouds include flyaway, scatterbrained.

head-in-the-clouds (adjective)	flighty (adjective)
guided by whim and fancy	unpredictably excitable (especially of horses)
	guided by whim and fancy