Possible but as DUB-IAD has LF of around 90% when I last did the figures so don't think that the reason. Don't know loads at MAN.
Expect a lot of this has to do with the AA/US merger so UA will want to offer what they can from MAN and BHX. UA would prefer people from lets say the MAN side of BHX go via DUB and they get some revenue from it or via LHR and not with AA from MAN.
Last edited by EI-A330-300; 27th Mar 2013 at 16:20.