RTX's (RTX) Pratt & Whitney business and Delta Air Lines (DAL) said Tuesday they have signed an agreement to boost GTF maintenance, repair and overhaul capacity at Delta TechOps' Atlanta location over the next decade.

Under the deal, the facility will increase capacity by over 30%, allowing for up to 450 overhauls each year, the companies said.

Shares of RTX and Delta were up more than 2.4% and 1.7%, respectively, in recent Tuesday premarket activity.