American Airlines had an average fleet age of 15 years in January 2013.
The airline's average fleet age was 18.5 years by the end of 2009.
Average fleet age in Europe is only 3.8 years.
The average fleet age for their aircraft is 11.1 years.
As of March 2013, Spirit's average fleet age was 4.8 years old.
As of May 2012, Frontier's average fleet age is 6.7 years.
The Boeing 747-400 aircraft have an average fleet age of 11.5 years.
Transavia.com average fleet age is 7.1 years old at April 2013.
As of May 19, 2009, the average fleet age is 18.5 years.
American Airlines had an average fleet age of 14.9 years in April 2012.