Originally Posted by headinclouds
... If the traveler flies to the USA sometimes, then AA might be OK as all AA fares earn full miles and certain economy class fares on BA and IB earn 25% of actual miles..
But the AA frequent flyer programe give zero miles for trans Atlantic BA flights.
BA or Qantas will get some ff miles. Check if it costs $$ to join the BA or QF programe in Europe. If it is free join one of them to some miles credited. Could be of use in a few years time.