DALLAS (AP) — American Airlines expects to lay off 40 cargo workers at Dallas-Fort Worth International Airport in late September.

In a letter to state officials, the airline linked the job losses to the company's attempt to cut spending as it restructures under bankruptcy protection.

"Regrettably, reducing our costs requires that we must make a number of tough decisions. Several of these very difficult decisions include a reduction in force," Michael J. Waldron, American's managing director of diversity and talent development, said in a letter to the Texas Workforce Commission.

Waldron said that 36 cargo agents and four coordinators would lose their jobs around Sept. 21.

The state agency released the letter Monday.

In February, American announced plans to eliminate about 13,000 jobs worldwide, although it has backed away from some of those layoffs as it negotiated new contracts with labor unions.