The phrase "arrives potentially" is correct and usable in written English.
It can be used to indicate that something may arrive or occur, but there is uncertainty about it.
Example: "The package arrives potentially tomorrow, depending on the weather conditions."
Alternatives: "may arrive" or "could arrive".
By 2008, another bout of bruising competition could begin as significant numbers of new aircraft start arriving, potentially swelling the domestic fleet.
However, at least once a week a patient arrives with a potentially lethal infection resulting from using dirty needles.
Hospital emergency rooms routinely mishandle patients who arrive with acute, potentially fatal allergies to food, researchers reported yesterday.
A third Captain America film is due in 2016, with Doctor Strange potentially arriving sometime the same year.
Expected to be finished by the fall, the park is likely to draw visitors from other parts of Los Angeles, with some potentially arriving by public transportation.
Odds are good that El Niño will finally arrive in 2015, potentially propelling next year to be even warmer than this one.
It was rewarding because an astonishing number of high-quality Android smartphones were introduced with regularity, creating a glut of winning options, but it was exasperating because each month, it seemed, a new Android superphone would arrive without warning, potentially making that phone you had purchased weeks ago instantly second-tier.
Most developed countries do not routinely perform screening for many nonendemic infections potentially arriving from abroad, so that the probability of spreading of such diseases increases.
It is possible that, at that particular moment, a gene-expression profile that contributes to tumor initiation (that is, growth) is switched off, as this capacity would be required only after the tumor cell has potentially arrived at its final destination of a metastatic target organ.
Often the diarists will be on the verge of spending the evening with one partner, when a text arrives from another with a potentially better offer.
