FORT WORTH, Texas ( TheStreet) -- American Airlines is in active talks with Airbus and Boeing ( BA) to replace about 38% of its current fleet by buying at least 250 aircraft for roughly $15 billion, The Wall Street Journal reported.

American, a subsidiary of AMR ( AMR), currently flies an all-Boeing fleet. The airline is interested in both Airbus's single-aisle family of A320 airplanes and a new-engine A320 variant that will start flying in 2015, people familiar with the matter told the newspaper.

American also is looking at Boeing's 737 family of airplanes, which include the 737-700 and 737-900, types that aren't currently in the airline's fleet. American has 152 737-800s in its fleet and more on order, according to the Journal.

American, the third-largest U.S. airline, hopes to resolve terms of the airplane order this summer, the people said, the Journal reported.

-- Written by Joseph Woelfel

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