When AirPods went on sale for preorder on December 13, Apple quickly became backordered. Customers found that delivery estimate for their order were up to 4-6 weeks out. Apple Stores have been receiving shipments of AirPods every day or so. Other stores like BestBuy and Target are also getting regular shipments. If you haven’t ordered AirPods yet, and don’t want to have to check with each store, you can use this handy website to get AirPod Alerts. You enter your email address and the physical address of your local Apple Store. Then, you’ll be notified whenever your store gets a new shipment of AirPods.