When Reba is at St. Raphaels's Mission talking to the cranky old man, the gravy boat's position on the table changes between shots, and the amount of gravy on the sides changes as well.
As with all Hollywood Christmas stories which "prove" the existence of Santa , "Santa" is still in America the evening of Christmas eve. In reality, Christmas begins at 4 am California time, so "Santa" would be out delivering presents at the times Hollywood depicts him here.