Is there something useful I can 'spend' my American Airlines 500-mile upgrades on, except domestic travel?
I travel on American Airlines a lot, but most of my trips are international (I'm not a US resident), so I earn more AAdvantage 500-mile upgrades than I can ever use (they aren't valid except for US ...
On my American Airlines AAdvantage account, I see a lot of references to "500 Mile Upgrades". I don't quite understand how these work. Can someone explain what these are for (and what does the "500 ...