What it's like to train to become a commercial pilot — behind the scenes of United Airlines' simulation hub

12:09 PM ET Wed, 21 Nov 2018

CNBC got an inside look at United Airlines Flight Training Center in Denver. At nearly half a million square feet, this facility is one of the largest airline training hubs in the world. All of United's 12,000 pilots come through here for initial training and return every 9 months to stay up to date on flight procedures and safety protocols.