Boeing sold no new airline jets in January, and now the company is worried that the virus outbreak in China could hurt airplane deliveries in the first quarter. Chief Financial Officer Greg Smith said Wednesday that the company is “spending a lot of time” with Chinese airline customers, trying to help them navigate a downturn in travel. Many nations have imposed restrictions on travel to and from China, and airlines including American, United and Delta have suspended flights there because of the outbreak. Smith said that with the virus-caused decline in air travel, “I can certainly see that impacting ...