Twenty-five people aboard a Delta Air Lines flight were hospitalized after the flight encountered "significant" turbulence Wednesday, the airline said.

Some passengers were terrified, convinced the plane was going down. One seasoned traveler said it was the roughest flight he’d ever taken. A woman on board felt like she was experiencing an earthquake.

Twenty-five people were taken to hospital after a Delta Airlines flight was hit with extreme turbulence. The Airbus A330-900, travelling from Salt Lake City to Amsterdam, was forced to divert, landing at Minneapolis-St Paul International Airport.