Arrive at

to come to a certain point in the course of travel; reach one’s destination:
he finally arrived in rome.
to come to be near or present in time:
the moment to act has arrived.
to attain a position of success, power, achievement, fame, or the like:
after years of hard work, she has finally arrived in her field.
archaic. to happen:
it arrived that the master had already departed.
obsolete. to reach; come to.
arrive at,

to come to a place after traveling; reach.
to attain the objective in a course or process:
to arrive at a conclusion.

verb (intransitive)
to come to a certain place during or after a journey; reach a destination
(foll by at) to agree upon; reach: to arrive at a decision
to occur eventually: the moment arrived when pretence was useless
(informal) (of a baby) to be born
(informal) to attain success or gain recognition
v.

c.1200, “reach land, reach the end of a journey by sea,” from anglo-french ariver, old french ariver (11c.) “to come to land,” from vulgar latin -arripare “to touch the sh-r-,” from latin ad ripam “to the sh-r-,” from ad “to” (see ad-) + ripa “sh-r-” (see riparian). the original notion is of coming ash-r- after a long voyage. of journeys other than by sea, from late 14c. sense of “to come to a position or state of mind” is from late 14c. related: arrived; arriving.

verb

to successfully establish one’s position or reputation (1880s+)
reach an objective, as in we arrived at the party right on time, or it took harry only a few minutes to arrive at a solution. [ early 1500s ]