I've always wondered how airlines benefit from Frequent Flyer Partnerships with eachother.
For example: If I earn a bunch of AAdvantage Miles on American, then use 25,000 of them to fly to Juneau on Alaska Airlines (as I'm doing this summer), obviously, i'm happy because I got a free flight on an expensive route! But, which airline is better off? Does American pay something to Alaska Airlines for my seat? Or am I really freeloading on Alaska, and benefiting American by not using my miles to take a revenue seat on AA?
I happen to like Alaska Airlines more than American, so I kinda hope they get something out of the deal. Obviously there is a reciprocal deal, and some other passenger may be using Alaksa miles to fly AA, but for me personaly, i'm wondering exactly what I'm taking and giving to the two airlines.
Curious, and hope I make sense!