American Airlines Federal Credit Union opened in August in the Highland Plaza Shopping Center at 6101 Long Prairie Road, Ste. 732, Flower Mound. The credit union is a full-service bank that also has a 24-hour ATM. The branch will host a grand opening celebration on Aug. 24 from 11 a.m.-5 p.m. with refreshments and giveaways while supplies last. 469-472-3010.