This is an MD-80 aircraft. It is a fairly small jet capable of holding 144 passangers for 2,750 miles. Major customers for this Aircraft include, American, Delta, Continental, USAir, Northwest, AeroMexico, Avianca Colombia, Aerolineas Argentina, Iberia, Alitalia (Above), SpanAir, SwissAir, FinnAir, Scandinavian Air Service (SAS), and Austrian Airlines. This photo was taken from Airliners.net and photo credits go to AirNikon.