The judge ordered the airlines to end their more than two-year partnership, which allowed them to share passengers and revenue, and to coordinate schedules in the northeastern U.S. American and JetBlue will stop selling seats on each other's flights next Friday, two months after a federal judge ruled that the airlines' partnership in the Northeast violated antitrust laws . American, however, said it still plans to appeal the ruling on the Northeast Alliance. "We will continue to work with the JetBlue team to ensure customers who have existing codeshare bookings can travel seamlessly without disruption to their travel plans." Thursday is also the last day that customers can use American AAdvantage frequent flyer miles to book flights on JetBlue.

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Persons: Dave Fintzen Organizations: Justice Department, District of Columbia, Delta, JetBlue, Northeast Alliance, NEA, Spirit Airlines, Northeast Alliance . Locations: U.S, New York City, Boston