When traveling to and from O’Hare International Airport, American Airlines offers travelers different terminals to choose from. Terminal 1 is for international flights, Terminal 3 for domestic flights, and Terminal 2 for connecting flights.
Terminal 2 is the most popular terminal, as it is near the city center and has more shops and restaurants. Terminal 1 is the least popular terminal, as it is farther from the city center and has fewer shops and restaurants.