American Airlines is one of the largest airlines in the world and a major U.S. carrier headquartered in Fort Worth, Texas. Founded in 1930, it operates an extensive domestic and international route network serving over 350 destinations across more than 50 countries. The airline is a founding member of the oneworld alliance and operates major hubs in cities like Dallas/Fort Worth, Charlotte, Chicago, Miami, New York, Philadelphia, and Phoenix. American Airlines operates a fleet of over 800 aircraft and employs approximately 130,000 people worldwide. As a legacy carrier, American offers multiple service classes including basic economy, main cabin, premium economy, business class, and first class on select routes. The company is publicly traded on NASDAQ under the ticker symbol AAL and is part of American Airlines Group Inc., which also includes regional subsidiaries.