Delta plans to add a dozen other international routes this summer.
Delta plans to hold a briefing with journalists and airline analysts to discuss the venture.
Delta plans to add more direct service based on demand.
Delta and United were planning a similar deal, but suspended talks after pilots voiced concern over what the arrangement would mean for jobs.
Delta planned to offer 11 daily flights between the two airports from June 10, 2010.
Delta plans a $82.5 million write-off to cover severance payments for 600 pilots and the retirement of 21 jets.
Delta plans to appeal the decision next week.
But Delta plans to add a dozen more planes and new cities to Song's lineup next year.
Delta plans to resume its regular schedules in October.
Delta currently plans to become a lawyer.