A graphic released by the TSA earlier this year announced coming changes to the agency's Prohibited Items List, which it said would allow small knives. The TSA now says those items will remain banned from carry-on bags. TSA hide caption

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More passengers are expected to fly on U.S. airlines this summer, an industry group said Thursday. David McNew/Getty Images hide caption

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Southwest airline jets are lined up at Long Island MacArthur Islip airport in 2010. Departures at the New York City suburban airport dropped nearly 50 percent between 2007 and 2012, according to an MIT study. Bruce Bennett/Getty Images hide caption

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An American Airlines passenger is helped at the ticket counter at Miami International Airport last week. Many airline industry observers expect delays to strike Monday, the first full day of FAA furloughs. Joe Raedle/Getty Images hide caption

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