Southwest Flight Attendants Approve Contract Worth $6.3 Billion

Southwest Airlines Co.’s flight attendants approved a new $6.3 billion labor contract, setting a standard that could influence talks at other US carriers.

The four-year agreement will provide an initial 22.3% pay raise, followed by three annual increases of 3%, the Transport Workers Union local 556 said in a statement Wednesday. The pact was approved by 81% of those voting, according to the union, which represents 21,000 Southwest workers.

The contract, replacing one agreed to in 2019, is the first for flight attendants at a large US carrier in the latest round of talks. The terms will likely draw ...