Originally Posted by
seaflyguy
I'm a UA 1K and an AS MVPG, and I have both Global Entry and NEXUS. Can I use this on any flight out of SEA on either UA or AS? Will both airlines support me adding my [can't remember what it's called] code to my reservations?
Go into your web portal with the participating airline. It will want you to add your PASSID to the profile. Once it is in, you should be all set.