What was the full routing of the NE DC-9 that flew between DTW and CLE?
It isn't widely remembered that DL's only service to CLE until a few weeks before deregulation was on this ex-Northeast route. In 1969, DL was recommended for CLE-ATL authority, in competition with UA, but the route was not awarded until mid 1978.
Question 40: Northwest Orient B-377 Stratocruiser
Question 42: Northeast Airlines, which launched the 727-200.