The pilots were identified as Carlos Licona, 45, and Paul (Brady) Grebenc, 35, a police source told the Daily News.
Licona and Grebenc will be arraigned in the Glasgow suburb of Paisley on Monday for charges connected to Britain’s transport safety laws.
“The two pilots have been removed from service and their flying duties,” United spokeswoman Erin Benson said. “We are cooperating with the authorities and will conduct our own investigation as well. The safety of our customers and crew is our highest priority.”
Both men have ties to the U.S. military and have been with United Airlines for at least a year, according to their LinkedIn profiles.
Grebenc, who goes by Brady on social media, joined the airline in April 2015 from the Air Force Reserve while Licona joined United in Jan. 2014. after a 10-year stint with Colgan Air.
Licona has been with the U.S. Air National Guard since 1988, according to his LinkedIn.