Originally Posted by
scrumbum
Similarly, I purchased an October itinerary to DUB through AA with AA flight numbers to take advantage of a good J fare. I used my AS FF#. The PHL-DUB leg is on EI, while the other 3 legs are AA/AS. The EI flight won't accrue AS miles in this case?
After your trip would you mind posting and letting us know if the EI flight credited to AS? Still looking for real world data points.