Originally Posted by dlen111
it only shows 0-9 on the normal fares and not on upgrade fares like R, F and E. do they not normally do that?
Yes.
They do not provide the mileage-deduct buckets.
Originally Posted by dlen111
if they dont, then how can you ever tell that there are or are not upgradable seats available?
You can't, unfortunately. The only to know if there are mileage-deduct seats available is if you call them and speak with them. Repeat as desired.