With Christmas and New Year's Day quickly approaching, more and more people are getting ready to head home for the holidays.We've got a new report that lets you in on the "worst" days to travel. The trade group "Airlines for America" predicts 38 million people will fly between December 18 and January 3. That's a 3 percent jump from 2014.Because of the increase, the group says there are certain days you should avoid. It predicts December 18, ...