Originally Posted by George Moore

Yes - This is correct... As you will see, you cannot book a single DL coded flight between BHX and AMS, but you can book a DL coded flight between BHX and AMS, when it connects further with a long haul DL coded flight... Nevertheless, if you call the call centre, they'll sell you the flight anyway.

Originally Posted by brunos

Could you clarify what you mean?
If you call the Delta call center, they will sell you a BHX-AMS-BHX DL-coded revenue ticket ?