In fact, doordash tells you as much.

What happens when your doordash order is cancelled. A courier) has been assigned. The restaurant has requested that doordash not take. Of course, restaurants lose money if you cancel after they have started.

To cancel an order, go to the “orders” menu and select the order you want to cancel. You cancel before your order is confirmed by the restaurant and before a dasher (a.k.a. Select orders and choose the live order you’d like to cancel.

You'll have to contact support to find out. You can, however, unassign the order, but not after pick up unless you call support who will tell you to return it to the restaurant and if you don’t you will. Yes, you can cancel an order from doordash at any time before it’s delivered.

If your order is a gift card, there is no fee. Here’s a couple of the reasons why; It could be that no dasher in your town would take the order, or the restaurant was having an issue.

If you cancel an order and then decide to pay for it, you will be charged the full amount of your order plus a $5 cancellation fee. If you decide that you no longer want your order (or you simply want to reorder), then you may have the option to cancel your doordash order entirely. The restaurant may work with you to cancel your order, even when doordash can’t cancel it for you.

As a dasher you cannot cancel the order. However, although it doesn’t happen often, it’s possible that doordash customer support may cancel your order. Customers don’t need to be concerned as they will be delivered by another driver.