Originally Posted by
Flyer IAH
No need to start from scratch to get elite status with CO/UA. Have your US status matched by DL, and then use your DL status to have it matched by either CO or UA. This will work if you have not had status matched before with either.
Not a good idea to blow the one lifetime match to DL. Also may not work as CO/UA may ask not just for copy of status card on DL but also activity statement. Empty shell status might not get matched.