Originally Posted by
mtkeller
I just checked EF, and the MCT at BOS for international to domestic DL-DL is 90 minutes. If DL has ticketed OP's itinerary, it's yet another example of their broken IT. I'd ring up and point out the illegal connection and ask them to make it right, preferably on a more direct routing in the same class of service
They seem to ignore MCT when booking awards and searching multi-city segment by segment fairly often. I'm reasonably certain that I've actually booked/held awards with negative connection times.