77. (1988) This airline operated just two scheduled flights – one in each direction four days a week between just one city pair. The aircraft in question was narrow bodied and did not offer a First Class cabin. Can you identify the airline, aircraft and city pair?

Carnival Air Lines, Boeing 727-100, FLL-LAS

It was not Carnival, but we're at least back on planet earth here. The Florida city was not FLL, nor was the originating city LAS but the aircraft was a 727-100....