Lightly spray a 9 x 13-inch baking dish with cooking spray and set it aside.
Add the cranberry Jello and boiling water to a large bowl. Stir until the gelatin is fully dissolved.
Stir in the orange juice, orange zest, cranberry sauce, and drained pineapple. Keep stirring until the cranberry sauce is broken down and the mixture looks even.
Fold in the chopped pecans.