More than 100 U.S. flights were cancelled altogether, according to tracker, FlightAware.
The rapid emergence of the omicron variant of the coronavirus has many questioning whether they should rethink their holiday travel plans.
Public health officials and infectious disease experts say requiring vaccination for domestic air and rail travel would help slow COVID-19's spread, but the travel industry opposes a vaccine mandate.
Airlines got billions in federal COVID-19 aid over the past year, but consumer advocates and two senators say the companies are sitting on nearly $15 billion in refunds owed for canceled travel.
Amid a sudden surge in demand for domestic travel, especially to beach destinations and national parks, decimated airlines are adding service to new markets as they try to inch back to profitability.
In hopes of jumpstarting a business decimated by the pandemic, airlines and airports are offering preflight, on-the-spot testing for the coronavirus, with some test results back in 15 minutes.
A new survey suggests nearly 60 million Americans are losing money because of canceled plans. And would-be travelers are getting the runaround, even when they are legally entitled to a full refund.
Weather forecast models rely on commercial airplanes for massive amounts of real-time data. With widespread flight cancellations, meteorologists are concerned.
Triad companies that repair and maintain airplanes have been having a few good years. Major airlines are boosting production of new planes and the industry is set to have its third straight year of growth.