CNN
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Look at a map of the world showing all the airplanes currently in the air and what stands out most — apart from the staggering number of aircraft up there — are the gigantic holes in the sky where no flights can be found.
These no-fly zones usually occur where there’s a risk to aircraft safety from events on the ground. The escalating conflict in the Middle East is the latest global situation to punch holes through air traffic flows, a situation that aviation experts say is costing commercial airlines time and money as they reroute or cancel flights.
It’s a reminder that, even when cocooned in a metal tube at 40,000 feet, watching a Hollywood movie and…
