Low-cost carrier AirTran Airways appears ready to put the brakes on its rapid pace of expansion. The carrier said today that it would push back the delivery of eight Boeing 737 aircraft that it has on order. That announcement, disclosed in a filing with the Securities and Exchange Commission, comes just three weeks after AirTran reduced its third-quarter revenue forecast because of what the company said was softening travel demand. The carrier said then that it planned to rein in growth. Reuters writes that "the planes being delayed are Boeing 737-700s, the single-aisle, short- to medium-range airliners that are the workhorses of most U.S. domestic airlines." Reuters adds that the planes have a list price of about $60 million each. profitability," CFO Stan Gadek is quoted as saying in the filing...