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 shore,” from Latin ad ripam “to the shore,” from ad “to” (see ad-) + ripa “shore” (see riparian). The original notion is of coming ashore 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 ]