NEW YORK (TheStreet) -- Shares of American Airlines Group Inc.  (AAL) are up 4.93% to $35.03 in late afternoon trading Monday following the merger of the company's cargo division with US Airways (LCC)  to operate under a single air waybill. 

The company said the new combined entity brings in more than $800 million a year, and moves more than one billion pounds of freight and mail annually.

Other U.S. airline stocks are rising including United Continental Holdings Inc  (UAL) up 6.07% to $47.39, and Southwest Airlines Co (LUV) , up 5.57% to $32.78, getting a boost after Delta Air Lines Inc  (DAL) reported better than expected third quarter earnings late last week.

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Delta posted revenue of $11.18 billion for the quarter, topping analysts estimates of $11.12 billion and adjusted third quarter earnings of $1.20 per diluted share, higher than the $1.18 per share analysts were expecting.

American Airlines is scheduled to post its third quarter earnings on Oct. 23, before market open.

AAL Chart AAL data by YCharts

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