Originally Posted by
yyz_egg
On a weekday flight (4 unsold J seats at check-in) bid $1200 PY -> J upgrade, was denied and not offered instant upgrade.
Used eUpgrades instead
Four empty J seats at 24 hours out on a Haneda flight is a bit unusual and might explain why your bid wasn't accepted -- they're probably used to getting more $$ for those seats than your PY seat + $1200.