Originally Posted by
as219
I understand that you can't use a 1/11 expiring SWU to upgrade a 2/11 flight. But what happens if you have four SWUs in your account, two expiring in 1/11, the other two in 2/11, and you try to upgrade the same 2/11 flight?
Since the system
KNOWS: 1) That the Jan SWUs don't exist for your February flight, and 2) That the Feb SWUs DO exist in your account, it will quite simply draw those into your "reserved" summary upon applying them.
Simple. No worries, no problems.
Dave