Boeing Cautious On Business Case For NMA

WASHINGTON—Making a business case for Boeing’s potential new mid-market aircraft (NMA) remains the manufacturer’s biggest challenge, Boeing’s chief marketing executive said, even as more airlines are pushing for the aircraft sooner rather than later. The CEOs of Delta Air Lines and Panama-based Copa Airlines were among those to recently express strong interest in the NMA, with Delta’s Ed Bastian telling a JP Morgan investor conference that the Atlanta-based ...