“A Delta Airlines McDonnell Douglas MD-90, registration N960DN performing flight DL-1751 from Minneapolis,MN to Las Vegas,NV (USA), was enroute near Flagstaff,AZ (USA) when the aircraft encountered turbulence causing minor injuries to 5 occupants. The aircraft continued to Las Vegas for a safe landing. The FAA reported 5 persons on board received minor injuries when the MD-90 experienced turbulence near Flagstaff.” (Source: https://avherald.com/h?article=46d6fd3b).  See also:

https://flightaware.com/live/flight/DAL1751/history/20131221/1500Z/KMSP/KLAS