More than 700 flights entering, leaving or flying within the U.S. were called off, according to the flight-tracking website FlightAware. That figure was down from nearly 1,000 on Saturday. More than 50 flights were already canceled for Monday.

Chicago's updated travel advisory includes 42 states, announced Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health.

Even as the threat posed by the omicron variant of COVID-19 has yet to materialize in Chicago, the city is enduring a “very significant” surge of COVID-19 fueled by the holiday gatherings and indoor events, Chicago’s top doctor said Tuesday.

The rise in air travel is coming back down, thanks to the omicron variant’s rapid spread. Ann Dwyer has details on that story and more.

Chicago's updated travel advisory includes 38 states, announced Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health.

Amid fears that the recently identified new variant has the potential to be more resistant to the protection offered by vaccines, there are growing concerns that the pandemic and associated lockdown restrictions will persist for far longer than hoped.

Of the 53.4 million Americans planning to visit family and friends or enjoy a mini-vacation, 90% will be hitting the road in cars. For those looking to avoid the worst of the traffic, AAA has identified a few windows of opportunity.

It depends. It can be safe if you’re fully vaccinated against COVID-19, but officials say people who haven’t gotten the shots should delay travel.

One week after it was removed from the advisory, officials returned Arkansas to the list of states with high rates of transmission. The advisory includes 38 states as well as Guam, announced Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health.

Chicago officials removed Arkansas from the city’s COVID-19 travel advisory Tuesday even as confirmed cases of COVID-19 continue to rise in Chicago as colder weather blanketed the city. 

The advisory continues to cover 41 states as well as Guam, announced Dr. Allison Arwady, the commissioner of the Chicago Department of Public Health. 

NTSB spokesman Keith Holloway said Tuesday it was “still very early” in the investigation and the agency typically takes one to two years to determine accident causes.

City officials removed Georgia, Louisiana, Maryland and Mississippi from the travel order, joining Florida, Hawaii, California, Connecticut, Washington, D.C. and Puerto Rico.

Beginning Nov. 8, foreign, non-immigrant adults traveling to the United States will need to be fully vaccinated, with only limited exceptions, and all travelers will need to be tested for the virus before boarding a plane to the U.S. 

United Airlines reported a $473 million profit for the third quarter thanks to more than $1 billion in federal pandemic aid that helped pay airline employees this summer.

The advisory now covers 45 states as well as Guam and the Virgin Islands, officials said.