Overall, more than 1,400 flights across the country were canceled Saturday, with the majority due to weather hitting the upper Midwest, according to FlightAware.

A ground stop has been issued at Midway International Airport and Chicago O'Hare International Airport as the major snowstorm continues to disrupt travel. FOX Weather Meteorologist Jane Minar breaks down how the nation's airports are affected by the flight halt and how the implications could extend through the weekend.

A ground stop was instituted at O'Hare International Airport Wednesday morning, in the midst of the Thanksgiving holiday travel rush.

More than 1.6 million people will surge through O’Hare International Airport over the Thanksgiving holiday, but Robert and Sandra Schneider had eyes for just two Wednesday. The Lake Villa residents

The airport's sprawling capital improvement program is expected to total $11.5 billion over the next decade, $9 billion of it bond funded.

A winter storm system is expected to intensify Saturday morning, bringing steady snow showers and creating potentially hazardous travel conditions across Illinois, Missouri, Iowa, Wisconsin and Michigan.

Flight delays and cancellations continue to grow at Minneapolis-St. Paul International Airport on Saturday evening.

The annual Letters to Santa program launched at O’Hare and Midway airports on Friday, giving travelers a chance to mail holiday wishes to the North Pole through Dec. 19.