More than 100 Alaska Airlines pilots will be shifting westward from the East Coast later this year, as the airline closes a pilot base in New York City.

CNBC reported Tuesday that Alaska will close its pilot base at John F. Kennedy International Airport in September, shifting aircraft and their operators to West Coast routes.

Alaska and Virgin America, acquired by the airline in 2016, currently operates 14 flights a day to JFK. The airline is rolling out nonstop service between the airport and San Jose, Calif., adding a third daily flight to Seattle starting in early July.

“This was a difficult decision – but a necessary one -- based on the need to match our pilot staffing with the geographic areas on the West Coast where we deploy our aircraft every day,” airline officials said in a statement. “All of our JFK-based pilots are being offered the opportunity to transfer to either Los Angeles or San Francisco.”

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