Originally Posted by
ThePointsCollector
Im looking at booking first or business class award from SE Asia to US and only see mix-cabin results with domestic leg only in economy. Checked multiple dates and always mix-cabin shows "First/Business saver sold out or unavailable" on domestic leg out of SFO/LAX/ORD. Is there reason behind it?
Usually it is due to tighter inventory restrictions.
However a few of use have seen the award booking tool to show this in error when there actually is space. Unfortunately you need to check the domestic separately if you are seeing this.