well timed vs timely

well timed and timely both are adjectives.

Word	Noun	Adjective	Verb	Adverb
well timed	No	Yes	No	No
timely	No	Yes	No	Yes

As adjectives, well timed and timely are synonyms defined as:

well timed and timely: done or happening at the appropriate or proper time

Other synonyms of well timed include seasonable, well-timed.

well timed (adjective)	timely (adjective)
done or happening at the appropriate or proper time	done or happening at the appropriate or proper time
	before a time limit expires

well timed (adverb)	timely (adverb)
	at an opportune time