<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Rssrsvp:
... with a sure upgrade using SMU's on your original plane....
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If all you had was an 'anticipated' upgrade, and not a confirmed F-seat-in-hand...I believe you don't have any particular recourse in the situation. You could always standby for any other big planes flying to your destination that day.