Originally Posted by
Jpm81
I have had UA interline my bag on the last 2 trips to connect to a BA flight at LHR with no issues including a trip just yesterday.
I am GS though so not sure if that made a difference.
Originally Posted by
jsloan
It did.

There have been multiple reports that UA will do this for 1Ks and GSes.
its for any *G they will interline to any carrier they have an interline agreement with. For non *G it is only *A carriers