More than 1,000 flights canceled Friday. Bad weather threatens more - USA TODAY

More than 1,000 flights canceled Friday. Bad weather threatens more  USA TODAYAirlines cancel more than 1,200 US flights Friday  CNNSeveral flights delayed, cancelled after Sky Harbor server outage  ABC15 ArizonaSouthwest Airlines computer glitch cancels Phoenix flights  The Arizona RepublicStorms ground US air travelers as airlines cancel flights  ABC News

More than 1,000 flights canceled Friday. Bad weather threatens more - USA TODAY
  1. More than 1,000 flights canceled Friday. Bad weather threatens more  USA TODAY
  2. Airlines cancel more than 1,200 US flights Friday  CNN
  3. Several flights delayed, cancelled after Sky Harbor server outage  ABC15 Arizona
  4. Southwest Airlines computer glitch cancels Phoenix flights  The Arizona Republic
  5. Storms ground US air travelers as airlines cancel flights  ABC News