American Airlines is sending 20 MD-80 jets to an airplane graveyard

American Airlines is sending 20 MD-80 jets to an airplane graveyard

Call it forced retirement. American Airlines is sending 20 of its McDonnell Douglas MD-80s on their final flights on Tuesday. The largest US carrier by traffic is slimming its fleet to make room for newer, more fuel-efficient aircraft. The MD-80s fit that bill in the 1980s. American and other carriers stocked up on the twin-engine…