Originally Posted by
Microwave
BA use the same buckets for both award travel and MFU (upgrades). As such, any search that allows you to find award inventory will give you a glimpse into upgrade inventory too--the best being BA's website IMO, since it allows calendar view.
I find ba.com EXTREMELY flaky - it keeps giving me the "our servers are not responding message". Qantas on the other hand has worked every time without fail. FWIW it has a nice feature that shows a calendar view of all classes at the same time using a slightly different color seat icon.