How long does a yellow jacket sting hurt is it normal for yellow jacket stings to hurt really bad but not itch?

Yes: Yellow jacket stings are very painful and can hurt for hours.Soy sauce helps relieve the pain , applied directly asap.

Yellow Jacket: Yellow jackets can sting and bite. Marked pain ; significant itching may be experienced for 1 to 2 hours. Lesser pain / tenderness can take several days to resolve. Swelling may continue to ^ after 24 hours. Swelling usually resolves within a week with redness lasting around 3 days. Pain without itching can occur.