|Quoting IAHFLYR (Reply 1):|
You won't have to exit security, take the Terminal Link (above ground thing) from the north side of Terminal A and get off at Terminal B.
|Quoting IAHFLYR (Reply 3):|
Yep, it is on the west side of the Terminal.
|Quoting IAHworldflyer (Reply 5):|
Cubsrule, don't trust UA's telling you this far in advance that you will fly out of B84.