Storms across both the Western and Southern United States threaten to disrupt flights as millions of holiday travelers prepare to close out the year.

Storms across the southern and western portions of the United States continue to impact flight schedules on one of the busiest travel weekends of the year, causing delays and cancellations as people head back home after the holiday season.

Severe weather across the country could lead to delays and traffic during one of the busiest travel periods of the year.