Delta Airlines (DAL 2.23%) reported this morning, and while it hit on earnings and slightly missed on revenue, the market reaction was overall positive. In this video, Motley Fool industrials analyst Blake Bos highlights for investors the thing about the earnings report that stuck out to him the most: the company's capital expenditures this past quarter. With so much of the company's cash flow spent on capex and debt repayments, capital left to return to shareholders is minimal, and the projected capex for next quarter is expected to be similarly high. Blake tells us Delta's plans for increasing cash flow next quarter despite high capital expenditures, and points out that it will be key for investors to follow whether or not Delta achieves that goal.