American Airlines Lets Loyalty Program Members Combine Cash and Miles American Airlines is going to...

American Airlines Lets Loyalty Program Members Combine Cash and Miles American Airlines is going to let eligible members of its AAdvantage loyalty program combine cash and miles when booking flights on its website (aa.com) and digital app, the company said in a Friday (Oct. 2) press release. American Airlines is rolling out this feature over the coming weeks, according to the release.