People use their smart devices on an American Airlines airplane, which is equipped with Gogo Inflight Internet service, enroute from Miami to New York December 10, 2013. Wi-Fi in the sky is taking off, promising much better connections for travelers and a bonanza for the companies that sell the systems. With satellite-based Wi-Fi, Internet speeds on jetliners are getting lightning fast. And airlines are finding that travelers expect connections in the air to rival those on the ground - and at lower cost. Picture taken December 10, 2013. To match Analysis AIRLINES-WIFI/ REUTERS/Carlo Allegri (UNITED STATES - Tags: TRANSPORT BUSINESS SCIENCE TECHNOLOGY TELECOMS TRAVEL)