<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Lurker:
I believe that C is booked to 80+ which even my UA insiders thought was odd since F was also booked solid so there is very little space to play with op-ups from C to F.
Lurker 
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Asia flights have been rather heavy in C and F lately as well. I've seen a lot of downgrades in the last few weeks travelling into NRT/HKG/BKK. No fun