Transcript for Storm Could Spoil Your Thanksgiving Travel Plans
happening in the air. David kerley at reagan national airport. Good morning, david. Reporter: Here it comes. Already here in washington, d.C., The two, major airports are actually treating the runways with deicers. It's the first time this season. Calm today. But starting tonight, and into tomorrow, as you've already heard, a winter mess could mangle your thanksgiving travel plans. Here's why, as the storm moves up the east, it's going to cover every major hub we're talking about. Boston, new york, philadelphia, d.C., Charlotte and atlanta. And the problem is, when some of these hubs start cancelli iling flights. New york is one out of ten flights every day, there's the ripple effect that goes to the entire country. If you're flying to seattle or los angeles, you could be delayed, too. It is a big problem. U.S. Air and delta, offering waivers to passengers, meaning they can rebook their flight. The problem, george, that doesn't mean they get home for thanksgiving. If you're in the airport, what do you do? Reporter: A couple things. Do not check a bag if you want to get on a plane. And a couple of things. Go on the website, check the airline. Sign up for their apps. And if something goes wrong, tweet. George and robin, I'll tweet you. I'll let you know how it's going at 3,000 feet. Thanks very much.
This transcript has been automatically generated and may not be 100% accurate.