Originally Posted by
canadiancow
This is far from the only route I've noticed the issue of not being able to buy J while Y is wide open.
Surrounding days look similar, and this was the first search I even attempted.
So basically, your subjective look up of a few routes on EF is more proficient than AC's entire department and all the data that entails...
I'll let you believe what you will, but this sounds to me a lot like classic FT personal flyer bias.