In my view, expertflyer has become increasingly useless for EK and EY. Especially in situations of critical availability (0, 1 or 2) I have found discrepancies between expertflyer results and every sales channel EK / EY use. It is always a lottery (which can work in both directions, but is mostly worse in reality than what expertflyer shows as results).
It would be helpful to have a button on the expertflyer page that connects me to an online travel agency that sells me exactly what I see on the expertflyer results page. I am really tired of finding space on expertflyer and having no luck in finding that seat on ANY EK channel (online, phone, travel agent, whatever ...).
By the way, the same is true about the fare listings. Often the fares shown on expertflyer are not actually loaded in travel agents' reservations systems, although nothing in the terms & conditions fineprint restricts them (no POS restrictions or else).