Original Member and FlyerTalk Evangelist
Join Date: May 1998
Location: Kansas City, MO, USA
Programs: DL PM/MM, AA ExPlat, Hyatt Glob, HH Dia, National ECE, Hertz PC
Posts: 16,619
Although I'm not familiar with the terminal letters, I believe part of UA's terminal is the only one you have to go through the tunnel for, and that is only one of their terminals, not all of their gates.