Originally Posted by
ExplorerWannabe
I've managed to sleep in E+ on a 787-8 before and I'll manage it again but was intrigued that United flat-out wasn't offering any kind of upsell, even at a ridiculous $10K. Then again, perhaps they are worried about getting the necessary government approval for UA 182 and having to place me on another flight in J or equivalent class. Naaaaaahhhhhh ....
Inventory is J9 JN9 C0 (when searching DEN-FRA by itself). Upgrade offers seem to move more-or-less with inventory; it's possible that it's coded not to offer the upgrade offer if the lowest available bucket is J.