<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Shareholder:
What guarantee is there that US AIR will even permit upgrades from any but refundable fares in the new benefits year? </font>
Because they've specifically said that the fares will still be upgradeable (see
FAQ). Of course they can still change that, but if they were going to change that I think they would have announced it at the same time as the other big changes ...