News Summary

• JetBlue and Spirit Airlines said Friday they will appeal a federal judge’s ruling this week that blocked their plan to combine into a single carrier.The airlines said they filed a notice of appeal with the 1st U.S..
• JetBlue, which outbid Frontier Airlines, said it needed to acquire Spirit to compete more effectively against even bigger airlines.But on Tuesday, a federal judge in Boston ruled that the deal violated antitrust law..
• Circuit Court of Appeals, following the terms of their agreement.The Justice Department, which sued to block JetBlue’s proposed $3.8 billion purchase of Spirit, declined to comment.JetBlue and Spirit are the nation’s sixth- and seventh-largest carriers..