Delta to JFK now confirmed:
Network changes | Virgin Atlantic
A transfer of operations with joint venture partner Delta Air Lines that will see Virgin Atlantic fly a daily service between Manchester and Atlanta and Delta fly one of Virgin Atlantic’s existing London Heathrow to Newark services**. Across the joint venture, Virgin Atlantic and Delta Air Lines will now offer ten daily services from London to the New York area.
In addition, Delta Air Lines will launch a new daily service between Manchester and New York JFK in Summer 2015.