david curley has that story. >> reporter: fliers already feel the frustration, the squeeze in the cabin, more seats in packed planes, and all those fees, a bag, 25 bucks, more leg room, $45, even a snack, 3-8 bucks. >> the baggage is a pain in the rear end. >> reporter: but tonight the u.s. government says, this is a quote, the consumers will get the shaft if american airlines is allowed to merge with u.s. airways. >> i wouldn't be surprised if prices go up. >> reporter: so you kind of agree with the government's case that less competition means higher fares? >> that's the general economics rules, as an economics majors, yes, i agree that means higher prices. >> reporter: they 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. we have seen a lot of airline names disappear from those boards. all those mergers left five major airlines, but the government says creating the largest airline by combining american and u.s. airways is the tipping point, bad for co