NEW YORK — 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 U.S. Justice Department had sued to stop the deal, arguing that consumers would be harmed and forced to pay higher fares if Spirit — the nation’s biggest discount airline — were …
Spirit Airlines jumped in morning trading Friday after the struggling discount carrier said a strong holiday travel season boosted its fourth-quarter revenue. Spirit said it expects to post revenue of $1.3 billion when it releases its results for the final quarter of 2023 early next month. The airline’s shares lost more than half their value earlier in the week after …