Omicron, storms disrupt air travel for 4th consecutive day
By TALI ARBEL NEW YORK (AP) — Flight cancellations that disrupted holiday travel, stretched into Monday as airlines called off more than 1,000 U.S. flights because crews were sick with COVID-19 during one of the year's busiest travel periods, and storm fronts added to the havoc. Flight delays and cancellations tied to staffing shortages have been common this year. Airlines encouraged workers to quit