Did anybody catch the part about AUS-DFW showing as sold out but AUS-LHR being available, including a seat on the "sold out" AUS-DFW segment? Doesn't this make even Expert-Flyer and SABRE useless for determining how many F seats might really be available for upgrades? They could show "sold out" if you just look at the AUS-DFW availability when in reality, they could be holding seats for connecting long-haul sale.