timely vs well timed

timely and well timed both are adjectives.

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

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

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

Other synonyms of timely include seasonable, well-timed.

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

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