Originally Posted by
Earthman
you can ask in that instance
But if there's an afternoon flight from Dub to the States or Boston,you can ask for that
Bonus is you'll do US pre clearance immigration at DUB,stepping off the plane in the states as if it were domestic
Be careful to be booked on the AA or BA codes though since IE codes do not earn tier points and far fewer Avios. EI are, despite promises, still not a OW member.