Alisha Lalani, 10, of Ft. Lauderdale, Fla., looks at her phone as her mother and brother check in for their flight to Miami at Washington's Reagan National Airport. Their flight was one of thousands delayed as a result of a technical glitch with an FAA automated system. Jacquelyn Martin/AP hide caption

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The Willy Brandt Berlin Brandenburg International Airport was supposed to open in 2012, but it has been delayed repeatedly and is now set to open in 2017. The cost overruns and delays have made the airport the butt of frequent jokes. Sean Gallup/Getty Images hide caption

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A plane takes off from New York's John F. Kennedy International Airport on May 25. Airports want Congress to raise passenger fees to pay for improvements. Trevor Collens/AFP/Getty Images hide caption

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Passengers from three West African countries will face screening for Ebola symptoms when they arrive at John F. Kennedy International Airport in New York. Travelers are seen here at a JFK checkpoint earlier this week. Four other airports will begin screening next week. JUSTIN LANE/EPA /LANDOV hide caption

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The Butterfly Garden in Terminal 3 is just one of the pleasant diversions at the Changi airport in Singapore. Wong Maye-E/AP hide caption

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