News bites: Sky high

China has opened the world’s highest altitude airport.

Passengers at Detroit Metropolitan International Airport will now have access to free Wi-Fi while they wait for their flights.

Southwest Airlines is implementing a “no-show” policy for passengers who miss their flights.

Rail car manufacturer Kawasaki is constructing more than $2 billion in new orders from Washington, D.C.’s Metrorail subway and New York City’s Long Island Railroad and Metro-North commuter railways.