A Senate Subcommittee report found airlines have brought in more than $12 billion in fees from things that used to come with the price of a ticket.

A U.S. Senate panel on Tuesday criticized rising airline fees for seat assignments and luggage and will call air carrier executives to testify on Dec. 4. Senator Richard Blumenthal, who chairs the Permanent Subcommittee on Investigations,

In a 55-page report, the majority staff of the Senate Permanent Subcommittee on Investigations released on Tuesday its findings after a year-long inquiry into five U.S. airlines’ ancillary fees, which the report said have led to higher costs and worse experiences for consumers and,