Pre-heat the air fryer to 375° F.
Place the potato starch in a medium bowl. Season the wings with kosher salt and them with the potato starch on all sides. Shake off the excess.
Place the wings in the air fryer basket and air fry at 375° F for 20 minutes.
Increase air fryer temperature to 425° F. Turn the wings and continue to cook for 15 more minutes.
When the wings are crispy and finished cooking; place them in a bowl and toss with the desired amount of BBQ sauce before enjoying immediately.