Thousands of flights canceled as winter storm marches across US - The Guardian

Thousands of flights canceled as winter storm marches across US  The GuardianUS flight cancellations, ground delays surge as massive March storm disrupts travel  Fox BusinessMore than 12,500 US flights delayed or canceled due to major storms  ReutersNews Wrap: Chaotic weather system delays U.S. travelers  PBSNearly 600 flights canceled at O'Hare as wintry conditions create hazardous commute  Chicago Sun-Times