airways are vowing to fight the move to block their $11 billion merger. a deal that critics say is sure to lead to higher fares. abcid k has reporter: fliers already feel the frustration, the squeeze in the cabin, moseatacke planes. all the fees, bag $25. more leg room, $45. even a snack, $3 to $8. baggage fee. baggage is a o reporter: the u.s. government says and this is a quote, the consumers will get the shaft if american airl merge with u.s. airways. i wouldn t be surprised if prices go up. reporter: you agree with the government s case, less coetit herc1 o->nomior, reporter: the government in a half dozen states are suing to stop the deal before it gets off the ground saying fares will increase. here s what s strange this is rare. only twice before has the government moved to block a merger. so over the past decade we have seen a lot of airline names