Preheat oven to 400°F (200°C).
In a small bowl, mix olive oil, lemon juice, garlic, oregano, thyme, salt, and pepper.
Rub marinade over chicken Let sit for 10 minutes.
Place chicken in a large baking dish or sheet pan. Scatter zucchini, cherry tomatoes, and olives around. Drizzle remaining marinade over veggies.
Bake for 35–40 minutes, or until chicken reaches 165°F and skin is golden.
Garnish with parsley. Serve warm.