The Day Air Credit Union All Credit Levels is a cdfi lender from Day Air Credit Union. Rewards: 2% cash back on purchases up to $750. This product reports activity to your personal credit report. Day Air Credit Union, located in Kettering, OH, offers a variety of financial services aimed at simplifying banking for its members. Established in 1945, it serves individuals and businesses in the Dayton area, providing personal and business accounts, loans, and investment options. Services include: personal loans, vehicle loans, home equity loans, business loans. US Treasury certified CDFI Credit Union in Kettering, OH. Membership required.