_ United Continental Holdings Inc. is putting bigger doors on the bins of all 152 of its Airbus A320-familly aircraft.
_ Delta Air Lines Inc. is putting new overhead bins on more than 75 of its Boeing 767s that it flies internationally. It says the new bins will hold 26 more standard roll-on bags than the old ones.
_ American Airlines' new 737s will hold 48 more bags. It is also putting bigger bins on its older 737s. In 2010 it began retrofitting more than half its 124 Boeing 757s, including all of those that fly internationally.
_ US Airways Group Inc. enlarged the bins on its Boeing 757s in 2008.