Another round of winter weather could fuel flight disruptions across the south and southeast, and it's already leading to mass cancellations in Texas.

A winter storm in Texas is causing widespread flight cancellations, particularly in Dallas, a major airline hub.

Another blast of winter storms is closing schools, snarling flights and putting millions of residents on alert across parts of the Deep South and south-central U.S. The storm started dumping a mix of sleet and heavy snow Thursday morning in north Texas and Oklahoma,

Another blast of winter storms is closing schools, snarling flights and putting millions of residents on alert across parts of the Deep South and south-central U.S. The storm started dumping a mix of sleet and heavy snow Thursday in north Texas and Oklahoma,