Originally Posted by
duvin
It would need to be checked AAA-LHR-CCC as the same airport cannot be on the tag twice. But this needs some manual intervention.
How does that work? Luggage had to follow passenger to EDI or it will get off loaded. LHR cannot appear twice. Also, although on one ticket, this is two journeys, not a convoluted route from AAA to CCC, by the way the OP has described it.