According to the police report, obtained by TMZ, 46-year-old Ashenafi was arrested at DFW airport when police determined she was so drunk ... she was a danger to herself and others.

Sources on board the airplane tell us, Ashenafi threw a fit while everyone was boarding because she was stuck in coach ... instead of first class.

We're told she was also angry her carry-on luggage had been relegated to the back of the plane due to limited overhead space.

According to the police report, Ashenafi allegedly even pushed a flight attendant during her temper tantrum.

The airplane's crew kicked Ashenafi off the aircraft and police met her on the jetway. According to the report, they immediately noticed the smell of alcohol on Ashenafi's breath.