More than 900 US flights canceled, and 6,300 US flights delayed on Sunday - CNN

More than 900 US flights canceled, and 6,300 US flights delayed on Sunday  CNNTravelers endure more than 1,300 domestic flights cancellations over the weekend  Yahoo NewsExtreme Weather Leads To Weekend Travel Chaos  NBC NewsTravelers at RDU and across the US hit with widespread cancellations, delays this summer  WTVD-TVAlmost 900 flights canceled nationwide, with 280 canceled at O'Hare on Sunday  FOX 32 ChicagoView Full Coverage on Google News