In a large skillet over medium heat, melt butter. Add carrots, celery, onion, and garlic and season with salt and pepper. Cook until softened, 3 minutes, then stir in flour and cook 1 minute.
Stir in chicken broth and heavy cream and bring to a boil, then reduce heat and simmer, stirring occasionally, until thickened, about 5 minutes.
Stir in pasta, chicken, corn, and peas and simmer until warmed through. Season with salt and pepper. Enjoy