Check your carrots and potatoes for doneness as well. Know they will take longer than the chicken to cook. They'll be your best vegetable indicators. They should be soft to the chew. If not, again, bake longer, but uncovered. You'll want to see some char on your vegetables! ;0)
Don't be alarmed if your vegetables take a little bit longer to bake. Depending upon your ovens temperature - it could take a little longer. Up to 1.5+ hours total.