<font face="Verdana, Arial, Helvetica, sans-serif" size="2">The only negative on BD transatlantic is that BD is dependent on UA in Terminal 5 for check in. And UA's T5 people can be morons.</font>
Agreed, although a few UA staff at ORD are dedicated to the BD services, so at least they understand something of the different service culture.
Next time you're there, ask to speak to the supervisor, Julia, if you have any problems. She'll look after you.