Originally Posted by
RealHJ
O = business award
X = economy award
for MU (as of June 1, 2013)
There are no blackout dates. If it is available then it should be bookable. More likely than not you just got some agents who don't know what they are doing. It often takes quite a few calls until you get someone who actually knows their job at DL.
It's bookable indeed - finally found an agent who was able to piece together the trip but I could not get the routing I wanted.