Originally Posted by
sbm12
One week is short for partner credits and you'll almost certainly have to mail or fax in stubs. Here's the
link to Delta's page on how to go about doing so. But normally they say 4-6 weeks for the credit to be considered missing before they process the requests.
Fax them, do not mail the boarding passes. Too easy for them to get lost, and then you have lost your proof.