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This Airline Wants to Give You a Wider Seat in Economy Cabin

Southwest Airlines Co. will give passengers something extra with its newly designed aircraft seats -- more than one-half inch of extra width.

At 17.8 inches (45 centimeters) across, the bottom seat cushions will be the widest in the coach cabin of any Boeing Co. 737 in the U.S., according to Southwest, the biggest operator of 737s. The plane is the world’s most widely flown jetliner.