Have you ever noticed while flying that some airlines have a 13th row and others don't? Some of the reasons why might surprise you.

JetBlue confirmed it will install satellite based Wi-Fi on its entire fleet of 170 aircraft starting in mid-2012, at a cost of about $30 million.

Airlines have looked at offering iPads to customers for in-flight entertainment, and now carriers are moving toward allowing pilots to use iPads to replace charts and bulky computers in the cockpit.

The Federal Aviation Administration will issue an airworthiness directive today at 5pm EST that will require US airlines that operate early Boeing 737 models to conduct, "initial and repetitive electromagnetic inspections for fatigue damage."

After a Southwest Airlines plane split open with a hole inflight over Arizona, inspectors are looking for more cracks in the carrier's 737-300 fleet, and have found at least three. Boeing is reportedly putting together a service bulletin for all such planes, with metal fatigue believed to be the cause.