Originally Posted by
btonkid12345
Actually BE/main cabin sales do matter for many F fares now.
A lot of F fares now require dual inventory checks - so a Z fare may only be available if a V fare is also available at the same time in main.
I'm pretty sure the "x tickets left at this price" display does not follow through the dual inventory check.
That being said, nothing at all unusual about a flight with none sold in F and Z1 inventory.