Originally Posted by
GYEWorldTraveler
There are exceptions in Minimum Connection Time (MCT) so if DL is selling the itinerary, it is a legal connection. Sometimes an airports MCT is 60 minutes for a Domestic to International but an exception for DL to DL where it is only 45 minutes. If in fact 50 minutes is not a legal D-I connection, this flight must have an exception making it legal....otherwise they wouldn't be selling it.
Or there's an IT messup, like where they were selling flights with negative connecting times?