Originally Posted by
sbm12
My guess is that you'd automatically get credit for the segments flown and that you can call in and try for original routing credit. But I have no idea as I haven't actually declared a trip in vain after starting travel.
I wouldn't call in such a case. For me it seems obvious: no payment, no miles. I'd be happy getting credit for miles actually flown. I wouldn't call; I imagine that the most likely outcome of doing so is losing the credit for miles flown.