Travelers flying out of Atlanta’s international terminal with Delta are now able to use facial recognition to check-in and board a flight. Delta Air Lines Inc. (NYSE: DAL) on Thursday officially launched its first biometric terminal in the United States at Hartsfield-Jackson Atlanta International Airport, at Terminal F. Any passengers flying out of the country with Delta, Aeromexico, Air France, KLM or Virgin Atlantic Airways will have access to the facial recognition technology. Roughly…