Originally Posted by
Eurynom0s
One other thing, when I SDC do I earn mileage based on the original fare class or the new fare class?
For a SDC on AS, there need only be a seat available, booking class is irrelevant. You may notice that after a SDC, the new ticket will show booking class Y. That is just a placeholder. The earnings will be based on the underlying fare class purchased on the original ticket.
James