Preheat air fryer to 380°F. Spray basket with nonstick cooking spray.
Combine cornstarch and salt and toss with chicken wings until evenly coated. Shake off excess cornstarch and arrange evenly in one layer in air fryer basket.
Place in air fryer and cook 20 minutes, rearranging once halfway through cooking, until chicken wings are thoroughly cooked, golden and crisp.
Combine Skinnygirl Honey Dijon Dressing with Sriracha. When wings are done, toss cooked wings with half of the Dressing mixture until evenly coated. Serve wings with celery sticks and remaining sauce for dipping. Garnish with chopped green onion if desired.