(CNN) A passenger who flew out of John F. Kennedy International Airport to Rochester, New York, over the weekend had coronavirus and was contagious, the Monroe County Health Department tweeted Wednesday night.

The Delta Air Lines flight left JFK at 4:05 p.m. on Saturday and landed in Rochester at 5:55 p.m., according to the tweet.

"This evening, we learned about an individual who tested positive for Covid-19. We believe this individual was contagious while en route from JFK to ROC on Delta 4824 on March 14," the department tweeted.

The Health Department encouraged anybody who was on that flight and anybody who was in the Greater Rochester International Airport between 5:45 p.m. and 6:45 p.m. that day to monitor for symptoms and call their doctor if symptoms occur.

"With regard to reports of any Covid-19 exposure, we continue to follow all guidelines from the CDC and local health officials," Delta said in a statement to CNN. "The safety and health of our customers and crew remain our top priority."

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