Preheat air fryer to 380°; rub 1 tsp oil onto chicken, season with salt/pep, taco mix + spread evenly into air fryer basket; air fry 12 min, flipping halfway

Add veggies to a bowl, drizzle lightly with oil + season with salt/pep; with 8 min left on chicken timer, spread veggies evenly into air fryer basket around the chicken

In batches, heat 4 tortillas in skillet over med-high, 30 sec or until warm

Slice cooked chicken into ½-inch pieces; assemble tacos with chicken, veggies + avocado then divide between plates