April 5, 2012 at 11:48 AM ET
Several hundred more flights at Dallas-Fort Worth International Airport (DFW) have been canceled since tornadoes hit the area on Tuesday.
Ed Martelle, a spokesman for American Airlines and American Eagle, said the carriers had cancelled another 323 flights on Thursday.
Martelle told msnbc.com that 60 planes remain out of service as they await inspections for damage since Tuesday's storms. More than 100 aircraft were originally were out of service.
The carriers have canceled more than 1,600 DFW flights since the severe weather, including about 800 Tuesday and 500 more Wednesday.
It could take a few more days for American Airlines' flight schedule to return to normal, Martelle said. American Eagle flights should become regular Thursday.
NBC-affiliate Click2Houston.com contributed to this story.
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