How long does it take to bake at 6.5lb chicken 375?

A 6.5lb chicken will take approximately 1 hour and 35 minutes to bake at 375 degrees Fahrenheit. This time may vary depending on the exact temperature of your oven and the size and shape of the chicken. To ensure that the chicken is cooked through, you can insert a meat thermometer into the thickest part of the thigh and cook it until the internal temperature reaches 165 degrees Fahrenheit.