Originally Posted by
jmanirish
Did a couple test searches on EF (just did 2 Dec and 10 Dec GVA-ZRH-SFO). Appears the J (I) space is phantom as EF is showing 0. But the Y (X) space is real according to EF.
EF is likely pulling its data from AC or NH. Always a good idea to check both of those booking engines when attempting to book with a *A carrier where there are known phantom inventory issues.