Las Vegas Delta flight cancelled after reports of passengers suffering heat-related illness

A Las Vegas Delta flight was canceled after passengers suffered heat-related illness as they waited for hours to take off, a passenger on the flight said. 

On Monday, Delta flight 555 from Las Vegas to Atlanta was canceled, Delta confirmed. 

"We apologize for the experience our customers had on flight 555 from Las Vegas to Atlanta on July 17, which ultimately resulted in a flight cancelation," the airline said in a statement. "Delta teams are looking into the circumstances that led to uncomfortable temperatures inside the cabin and we appreciate the efforts of our people and first responders at Harry Reid International."