NEW : Delta cancelations only related to American , not Delta . NEW : 275 Delta flights were canceled Thursday for safety inspections . Delta Air Lines and American Airlines announced Thursday the cancellations of hundreds of flights so the companies can conduct inspections on bundles of wires in some of their jets . American Airlines canceled 318 flights Wednesday to accommodate MD-80 aircraft . American canceled all of its estimated 2,300 flights scheduled for Thursday .
NEW : Delta cancelations only related to American , not Delta . NEW : 275 Delta flights were canceled Thursday for safety inspections . American Airlines canceled 318 flights Wednesday to accommodate MD-80 aircraft . American canceled all of its estimated 2,300 flights scheduled for Thursday .