波音第一季度收入为195亿美元，市场预期为193.7亿美元。第一季度调整后自由现金流为-22.9亿美元，市场预期为-34.2亿美元。波音美股盘前涨超4%。

Core Viewpoint - Boeing's first-quarter revenue exceeded market expectations, indicating a positive performance despite challenges in cash flow [1] Financial Performance - Boeing reported first-quarter revenue of $19.5 billion, surpassing market expectations of $19.37 billion [1] - The adjusted free cash flow for the first quarter was -$2.29 billion, better than the market expectation of -$3.42 billion [1] - Following the earnings report, Boeing's stock rose over 4% in pre-market trading [1]