May 29 (UPI) -- United Airlines will once again fly out of New York's John F. Kennedy International Airport, via a partnership with JetBlue Airways.

The two airlines announced Thursday they have reached an agreement, which they called "Blue Sky," that will see each airline offer flights from each other's websites but also continue to publish and market flights under their own brands.

"Blue Sky reflects our airlines' shared focus on innovation and the customer experience," said United CEO Scott Kirby Thursday in a press release . "We're always looking for ways to give our MileagePlus members even more value and benefits and this collaboration gives them new, unique ways to use their hard-earned miles and find options that fit their schedule."

United left JFK in 2015 , then made

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