Passenger describes 'screaming' and 'praying' aboard United flight as it plunged within 800 feet of the Pacific Ocean

• A United Airlines flight plummeted to 800 feet above the Pacific Ocean in December.
• A passenger on the flight, Rod Williams, told CNN it felt like a "roller coaster."
• Williams said he thought it was his family's last moments.

A passenger on board a United Airlines flight that plunged within 800 feet of the Pacific Ocean told CNN that people were "screaming" and "praying" on board.

Rod Williams said he and his family were flying home from a family vacation in Maui, Hawaii, on December 18, when the incident happened.