"We're not seeing a slowdown in demand," Smith said, adding that about half the backlog consists of airlines buying more fuel-efficient replacement planes.
Boeing's defense business has been under pressure because of the outlook for slower Pentagon spending, which could be cut from the so-called fiscal cliff in January. Smith said Chicago-based Boeing sees potential growth for sales of transport planes, fighter jets and helicopters to the Middle East, India and South America.
Shares of Boeing slipped 3 cents to $73.66 in afternoon trading Tuesday. They are closer to the high end of their 52-week range of $62.12 to $77.83.