Upon accessing the website, please select the "Traveller" shopping mode.
On the product search results page, you can filter for "In-flight Preorder" within the Delivery Method section of the left navigation filter to view eligible items.
On the product detail page, products with a solid black button labeled "Add to Bag Inflight Delivery" are available for pre-order to flight.
If the "Add to Bag Inflight Delivery" button appears grayed out, this indicates that the product may be out of stock and thus not available for pre-order.