But certainly and enjoying my 25% miles... And if it is not possible because plans did change I am flying Lufthansa for a fee which is generally less than 200 EUR. That is still acceptable, but 300EUR for a 1h flight in Y with no service is just disgusting.
With some of the LH fares now you could probably add a RT TATL segment to your itinerary to Boston for an extra 99EUR...