Originally Posted by Swiss Tony
Thing is it relies on a two-type points system. The *A ones i'm familiar with (AC/BD/UA) all just have a single qualifying system, i.e. miles flown, so you can't strip anything out.
Not necessarily. In the SQ PPS case, F/J miles flown on SQ metal can be credited to another *A programme but SQ will also count those miles towards status with SQ.