Preheat air fryer to 350°F (175°C)
Line basket with foil or use a perforated basket if available
Place bacon in a single layer with space between strips
Cook at 350°F (175°C) for 8–12 minutes, flipping once at halfway if desired
Check for doneness at 8 minutes for thinner bacon and at 10 minutes for thicker bacon
Remove bacon when crisp to your preference
Transfer to a plate lined with paper towels to drain for 1–2 minutes
Repeat in batches if cooking more than fits in one layer
Let cool 2–3 minutes before serving or storing