Join Date: Jan 2004
Location: San Diego, CA, USA
Programs: 1K , 2MM, UA Club, *G, Admirals Club Lifetime, Hilton Diamond, Marriott Platinum
Posts: 366
You can buy the upgrade on US if available.
I was comp'd an upgrade once when VDB and then didnt need my seat.
The agent confirmed F as a 'thank you for offering'.