Both are performing above expectation according to AA
staff I've had contact with.
However, with the overall numbers of US tourists to Ireland down this year - again - and the "expectation" not being quantified, it is difficult to judge just what the figures are.
As to additional destinations, Miami could do well in economy class given the loads on the charters this summer - but the traffic would be very much Irish generated and Miami on a narrow body is a different ball game to Boston.
Unless new gas and/or oil fields begin to be exploited around the coast, I wouldn't have thought Dallas would generate too much revenue and then Houston would be more likely and that's CO