American Airlines cancels more than 600 flights on Sunday - CNN

American Airlines cancels more than 600 flights on Sunday  CNNHigh Winds, Short Staffing Cause Hundreds Of Cancellations At American Airlines  CBSDFWAmerican Airlines cancels, delays hundreds of flights citing bad weather and staffing shortages  Fox BusinessAmerican Airlines cancels hundreds of flights during Halloween weekend  CNNAmerican Airlines cancels more than 1,000 flights over Halloween weekend  New York Post