Originally Posted by ricktoronto
How are F, and J upgrade classes - vs. being paid first or business class, and C, R, T, U are missing which are upgrade and award classes? I don't think the green shows anything more than what you may want to upgrade to but not availibility of awards and upgrades.
Agree. The KVS tool only shows fare classes that are available to purchase. If you want the upgrade/award classes use expertflyer.com