Monday and Tuesday are DFW Airport's busiest days, with an average of 275,000 people each day. Wednesday is the third busiest day with an average 250,000 passengers. Thursdays and Fridays are respectively the fourth and fifth busiest day with an average of 225,000 and 20,000 passengers per day. Saturdays and Sundays are the least busiest days at DFW Airport with an average of 200,000 passengers per day. Most domestic flights departing DFW Airport are within the United States. There are however many international flights that depart from DFW Airport every day. Each day, approximately 50 international flights depart from DFW Airport. DFW Airport consistently ranks among the busiest airports worldwide. DFW Airport is used by a large majority of passengers connecting to other flights. DFW Airport is a hub of American Airlines, one of the biggest airlines in the world.