Originally Posted by aristoph
I think it still depends on how fully flexible your ticket is, ie whether it is interlineable or not. I have two fully flexible tickets in MMB. One is cancellable on line, the other is not. Previous threads lead me to believe that interlining is the differentiating factor.
As
aristoph says, it used to depend on whether your fully-flexible ticket permitted you to transfer to another carrier. If it did, then you could not cancel the ticket in MMB. It's good news if it has changed. BA were strangely reluctant to refund the £15, although could be persuaded to eventually