Place the bread cubes in a single layer in your air fryer. (You may need to cook in batches.)
Spray with cooking spray.
Cook at 275° F for 15 minutes, until crispy.
Meanwhile, melt the butter in a saute pan over medium heat. Add the onion and celery, and cook for 8 minutes, until tender.
Add the pecans and cook, stirring constantly, for another 3 minutes. Add the broth and cook for one more minute.
Place the bread, sage, salt, and pepper in a large bowl and pour the vegetable mixture over it.
Toss well to combine.
Taste and adjust the seasonings.
Stir in the cranberries. (You can add more broth for a moister stuffing.)
Spray a 1 ½ qt air fryer safe baking dish with cooking spray
Transfer the stuffing mix to the prepared dish and cover with foil.
Preheat your air fryer to 350° F.
Place the dish in the air fryer and cook for 15 minutes.
Remove the foil, and cook for another 7 to 10 minutes, until the top is crispy and brown.