The stupid advice from the mothership! (Can't make this up)
Originally Posted by
NOLAnwGOLD
No way to load it before hand that I know of, the app automatically updates the log in. Also you can't add it to your passbook


Source is:
http://www.delta.com/content/www/en_...-updates.html#
Best idea is print a few on paper or do screen shots works just fine.