Here’s the latest list of travel advisories and fee waivers posted by airlines:
American Airlines – Information updated on January 7 for travel scheduled through January 8 to a long list of cities.
Delta Air Lines – Information updated on Delta’s site on January 6 for Midwest and Northeast weather.
Frontier Air Lines – Information updated on Frontier’s site January 6 with advisories for travel through January 7.
US Airways updated its travel advisories to cover travel to many cities through January 8.
United Airlines now has travel advisories in effect for many cities through January 8 as well.