Originally Posted by
pkr529
I would like to become somewhat knowledgeable about how I can use an AA systemwide upgrade on BA metal. I think I have to include an American Airlines flight in the itinerary. I want to be in business class and not premium economy so I think I would have to buy a premium economy ticket. How would I search to see if inventory is available?
You just search aa.com for award flights, if there is business award space available on whatever BA flight you're looking at then you should be able to upgrade it from PE>Business using a SWU.