<p>A Southwest Airlines flight attendant based in Las Vegas died Tuesday from COVID-19, according to his family and co-workers.</p><p>Maurice "Reggie" Shepperson, a native New Yorker whose brightly colored pants earned him the nickname Skittles during training in 2014, tested positive for COVID in early July and had been fighting the virus in the hospital for a month, according to Marcia Hildreth, a Southwest flight attendant who called him her best friend.</p>