I'd credit them to AA, even though discount econ on IB gives you very few AA miles -- AA miles are easiest to redeem and can be topped up with a Citibank credit card bonus or two to actually get to an award amount.

(V class gives you 30% miles on AA;
but T class seems to give you nothing)

http://www.aa.com/apps/AAdvantage/Vi...artnersContent