Originally Posted by
logan115
I could, and both BA and UA are some of the "preferred" airlines designated by my employer for business travel, and granted I have a small data set (only 4 ORD-LHR flights), but the 3 trips on BA seemed much nicer than the one on either UA or AA (can't remember which one).
If you prefer BA, then why not sign up for a frequent flier account with them? Then you could credit all of your AA (except U.S.-LHR) to that one in the future. Although I am not very familiar with BA's program, so you will have to study earning and redemption levels compared to AA.