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Washington–National – The seventh-largest hub for American in terms of number of destinations and flights and American's third hub for the East Coast. The airport also serves as a base for American Airlines Shuttle. About 12 million passengers fly through DCA on American every year, or about 33,000 people per day. American has about 49% of the market share at DCA, making it the largest carrier at the airport.
New York–LaGuardia – The ninth-largest hub for American in terms of number of flights, the tenth-largest in number of destinations and American's fourth hub for the East Coast. About 8.5 million passengers fly through LGA on American every year, or about 23,000 people per day. The airport also serves as a base for American Airlines Shuttle. American has about 27% of the market share at LGA, and is the second-largest carrier behind Delta.
American Airlines allows passengers to choose their seats in most cases, but there are times when the seats will be assigned at check-in. The carrier may withhold some seats until the day of departure to best accommodate passengers. Economy Class passengers will enjoy a seat pitch of 30-32 inches, while Business and First Class passengers can relax comfortably with 38-40 inches of legroom or a lie-flat seat.
American Airlines was founded in 1926 as a mail carrier with its first flight by Charles Lindbergh. Eight years later, the company switched revenue sources from mail to passengers and has since grown through various mergers with other airlines. Today, American Airlines operates out of ten hubs located from shore to shore in the United States, with its main headquarters in Fort Worth, Texas. Other hubs include Charlotte, Chicago-O'Hare, Philadelphia, Miami, Phoenix-Sky Harbor, Washington, DC-National, Los Angeles, New York-JFK, and New York-LaGuardia.