How Long does It Take to Cook a Whole Chicken?

A whole chicken will take anywhere from 1 to 2 1/2 hours depending on how large the chicken. A 3 1/2 to 4 pound broiler will take 1 1/4 to 1 3/4 hours in a 375 degree oven. The internal temperature should reach 165 degrees, you will want to make sure it is fully cooked.