Originally Posted by boujis
never been upgraded myself, but was pondering the question because a friend of mine routinely gets complimetary upgrades from coach to business on long haul tickets (lhr-nrt and lhr-gru) on british airways (he's top tier in BA program).
Coach to Business on BA, because they have 4 classes on this route, is actually a double upgrade, I think if you search the BA Forum there is virtually no chance of this happening as you quote routinely.