Southwest Airlines says it will close two of its flight attendant bases in Florida and Texas amid sweeping cost-cutting endeavors.

Southwest Airlines is closing flight attendant bases in Austin and Fort Lauderdale, Florida, this summer as the Dallas carrier continues to pinch costs.

Southwest plans to close crew bases in Fort Lauderdale, Florida, and Austin, Texas. The company has been slashing unprofitable flights, reducing crews in some cities. Last month, Southwest said it would slash about 15% of its corporate headcount in its first-ever mass layoff.