More than 10,500 flights canceled Sunday as massive winter storm sweeps across US

By MAE ANDERSON and RIO YAMAT

NASHVILLE (AP) — A massive winter storm made for a brutal travel day Sunday, with widespread cancellations and delays at some of the nation’s busiest airports.

Widespread snow, sleet and freezing rain threatened nearly 180 million people — more than half the U.S. population — in a path stretching from the southern Rocky Mountains to New England, the National Weather Service said Saturday night. After sweeping through the South, the storm moved into the Northeast Sunday...