Originally Posted by
SuperFlyBoy
Is it even possible for one to check for R-class availability on CO.bomb?

Yep - search "expert mode" to learn more. You can get it to display - but it's a pain, have to do repeated mock bookings, click on the fare class link, and have to do day by day.
Having EF (for alerts) and KVS (for fast searches) was great. Now with neither, it sucks.
UA's War on Elites & Information continues.