Boeing is also planning to raise output of the 787 Dreamliner to five planes a month late this year from a current rate of three. Boeing shares were up nearly 3% in midday trading after reporting results. The plans come as the company said aircraft demand and stronger deliveries boosted Boeing's revenue in the first quarter with sales up 28% year over year. The company narrowed its net loss to $425 million, or 69 cents per share, from a year-earlier net loss of $1.24 billion, or $2.06 per share. Here's how Boeing performed during the period ended March 31, compared with Refinitiv consensus estimates Adjusting for special items, Boeing lost $1.27 per share, which was a wider loss than analysts surveyed by Refinitiv had expected. The company reported a $245 million pretax charge on the company's KC-46A Tanker program tied to supplier issues.