In a small bowl, mix the cumin, oregano, and paprika. Season the chicken with salt and pepper to taste. Make sure to season under the skin as well. Sprinkle some of the spice mixture on top of the chicken and set aside.
Heat the oil in a heavy pot over medium-high heat. Add the chicken skin-side down and cook for 4-5 minutes on each side.
Remove the chicken thighs from the pot and set aside.
Add the sofrito, remaining spice mixture, sazon, and dry white wine. Cook for 15 seconds.
Stir in the rice and coat well. Cook for one minute.
Add the water, 1 1/2 tsp salt, 1/2 tsp black pepper, bay leaf, and green olives. Mix well. Place the chicken back into the skillet. Let the rice come up to a boil. This should take 5 minutes over medium-high heat.
Once the rice comes up to a boil, cover with aluminum foil and a lid. Reduce the heat to medium-low and cook for 45 minutes.
Once the 45 minutes are up, uncover the rice and remove the chicken from the pot. Turn off the heat. Use a fork to fluff the rice and stir in the green peas. Place the chicken back on top of the rice, cover, and let it sit for 5 minutes.
Garnish with fresh cilantro, if desired. Enjoy!