I don't think this has been mentioned here:
Atlanta Business Chronicle: Atlanta airport lands ‘SkySpa’ for Delta employees
September 8, 2015
An excerpt:
The Atlanta-based company (NYSE: DAL) reported it will launch SkySpa – an employee only spa-like facility that will feature discounted massages, skin and nail care, hair styling, makeup application and uniform alterations– in Salt Lake City in October 2015, then in Atlanta and Detroit in 2016.