Row after row after row of new seats are lined up and ready to be installed in Next-Generation 737 airplanes inside Boeing's factory in Renton, Wash. The Boeing 737 team is currently producing 31.5 airplanes a month. And due to strong airline demand, the company is preparing to raise the rate to 38 airplanes a month in 2013.

Row after row after row of new seats are lined up and ready to be installed in Next-Generation 737 airplanes inside Boeing's factory in Renton, Wash.

The Boeing 737 team is currently producing 31.5 airplanes a month. And due to strong airline demand, the company is preparing to raise the rate to 38 airplanes a month in 2013.