Originally Posted by
FCfree
I wish that CO and/or UA would put up a web page that would let a person enter his/her CO and UA FF numbers and link the two accounts together.
I'm rather certain that they will once they are actually ready to handle that data. They aren't ready yet so they aren't doing it yet.
UA really does expire miles after 18 months of inactivity. CO reserves the right to but also explicitly states that they are not enforcing that rule right now.