<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by travelinmanS:
It's amazing the quality difference between airlines J class who allow easy upgrades (AA, UA)and those that don't allow upgrades unless it snows in Miami (CX, SQ).</font>
http://www.asiamiles.com/am/1,,83101_82761_eng,00.html
http://www.singaporeair.com/pdf/SQMI...adesAwards.pdf
http://www.britishairways.com/travel...h/public/en_gb