Next to zero chance AirPods will be included with the new iPhone.
Why would they give away for free a product that is already in high demand and that they can’t keep in supply when they don’t need to? The iPhone demand will far exceed Apple’s available supply and if they can’t keep AirPods in stock now, how on Earth would they able be able to manufacture enough for millions of iPhones?
Apple doesn’t even include a USB-A to USB-C adapter with their newest MacBooks and MBP—no way they include AirPods when those same customers wiling to drop $1,000+ on a new iPhone are the same ones who will likely also spend another $159 on AirPods without batting an eye.