United Airlines raises checked baggage fees after four years

United Airlines said on Friday it was raising its checked bag fees for customers traveling in North America, days after American Airlines announced a similar increase. United passengers flying economy in the United States after Feb. 24 will pay $40 for their first checked bag, or $35 if they pay in advance. The price increase comes four years after United raised its prices for checked bags at airports by $5 to $35, charging a steady $30 if travelers bought the service in advance.