United Airlines Takes $10.5 Million Stake in Affiliate Mesa

United Airlines took a nearly 10 percent stake in its regional partner Mesa Air Group in a deal unveiled after markets closed. The transaction is worth an estimated $10.5 million based on the closing price of Mesa's stock of $2.61 per share on Monday.

The 4.04 million shares were issued as part of a larger deal including, additional flying for United by Mesa, that the two airlines reached in Decembe