What air travelers need to know during the government shutdown

Air travelers across the U.S. are facing chaos at airports after the Transportation Department reduced flight capacity at 40 airports nationwide this morning amid the government shutdown. U.S. airlines canceled hundreds of flights on Friday, and some are waiving cancellation fees to ease the impact on travelers. As the shutdown drags on, CNBC’s Sharon Epperson explains what travelers need to know to protect their travel plans.