Founded in 1930, American Airlines is now one of the largest airlines in the world. Throughout the years, American Airlines has created more than 900,000 jobs worldwide and supported close to 1,400 non-profit organizations. Together with its regional partner American Eagle, it offers an average of nearly 6,700 flights daily to 350 destinations in 50 countries. In 2016, American Airlines Group Inc. topped Fortune magazine’s list of best business turnarounds and its stock (NASDAQ: AAL) joined the S&P 500 index. American Airlines operates out of ten hubs located in Dallas Fort Worth, Charlotte, Chicago O'Hare, Philadelphia, Miami, Phoenix–Sky Harbor, Washington-National, Los Angeles, New York-JFK, and New York-LaGuardia. American Airlines operates its primary maintenance base at Tulsa International Airport in addition to the maintenance locations located at its hubs. Dallas Fort Worth International Airport is American Airlines’ largest passenger carrying hub, handling 51.1 million passengers annually with an average of 140,000 passengers daily.