No injuries were reported in the incident, which occurred during snowfall in the area.
Delta Flight 5501 skidded off the runway into a muddy patch at around 9 pm, the airport said in a statement.
“RDU’s airfield closed at approximately 9 pm when Delta Flight 5501 landed safely and rolled into the mud while taxiing, with no reported injuries,” the airport said.
According to local reports, 19 passengers were aboard the flight. About an hour after the incident, the airport said the runway was reopened.