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U.S.Airline Monitor

Delta/Northwest

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The average age of the fleet of the seven large U.S. passenger airlines is about 14 years old, according to The Airline Monitor. It found American and Delta/Northwest had the oldest fleets, at about 16 years on average.
根據(jù)航管委，美國七大航空公司機(jī)組的平均使用年限是14年。它還發(fā)現(xiàn)美國和德爾塔/西北擁有最老的機(jī)組，平均使用16年。