I posted this on the Princess board in response to ANOTHER missed cruise due to cruise air. Hope the info is helpful.
Let me just clarify a couple things. Cruise air/air deviation and how it works behind the scenes was explained to me by an airline industry rep at an industry conference four years ago. For the example, she used LAX/MIA, both cruise air and air deviation. She was also an AA rep, so the following reflect AA routings. I thought the analogy was great and easy to understand: