Originally Posted by
Diabeetus
I have a remedial question.
With a latitude fare, if R=0, but J>0, is it still instant upgrade? Or is it off to the wait list?
You need R>0 to upgrade using e-upgrade credits. Hence, if R=0 you´ll be waitlisted. There´s a reasonable chance your waitlisted upgrade will "silently" clear without R space showing up online, though of course it´s not guaranteed.