A United Airlines flight had to make an emergency landing in Waco, Texas, on Sunday evening after it hit severe turbulence that injured five passengers, officials said.

SkyWest flight 5690, which was operating as United Express, a United Airlines regional flight service network, took off from Springfield-Branson National Airport in Missouri at 4:48 p.m. C.T. and was headed to George Bush Intercontinental Airport, according to data on FlightAware.com.

The Bombardier CRJ-200 experienced turbulence while en route and had to make an emergency landing at Waco Regional Airport, SkyWest Airlines said in a statement shared with NBC News.

SkyWest did not clarify where the flight hit rough air.