Hi!

I was just working with the booking engine on United.com. I assume all of you are familiar with it.

Anyhow, I was checking flights between LHR and JFK, and a few flight options came up.

However, on one of the flights, the availability said:

1st Y, Biz Y, Coach WL .

Does anyone know exactly what that "WL" refers to? And also, what that "Y" refers to? Any info would be extremely helpful!

Thanks!
Derek