The airline said the three-year contract agreements are subject to member ratification and cover 11,000 workers who are represented by the International Association of Machinists.
The union was the only labor group at US Airways and American that did not publicly support the merger between the two airlines, saying that US Airways management negotiated deals with American unions while neglecting contract negotiations with their own mechanics and fleet services workers.
“We believe your negotiations committee was successful in achieving a stand alone agreement that addresses the current needs of the membership and provides signiifcant gains in moving forward to the second step of a joint collective bargaining with our alliance partner with the TWU,” said IAM Local 141 which represents the fleet service workers.
The Transport Workers Union represents mechanics and ground workers at the pre-merger American. The IAM and the TWU have previously agreed to represent the work groups jointly after the merger and after IAM groups received a new contract.
American chief executive Doug Parker said he was pleased with the agreements.
"We look forward to working together to reach joint collective-bargaining agreements for all of the employees in these job classifications at American Airlines," Parker said in a statement.
For fleet service workers, the tentative agreement includes furlough protection, wage increases each year of the contract and a signing bonus of $1,500. The mechanics contract includes 3 percent wage increases each year of the contract, furlough protection and a merger seniority integration agreement.
A date for the ratification vote has not been set by the union.