You can edit your tip amount for the delivery partner for up to one hour after your order arrives.
There are 2 ways to do this:
After your order arrives, you'll be prompted to add a rating and tip for your delivery partner if you choose:
1. In the app, tap "Rate and Tip" and follow the prompts
2. Tap "Edit amount" on the tip screen to change the amount
1. In the app, tap the receipt icon in the bottom menu bar
2. Scroll to find your order
3. Tap "Edit amount" next to the tip
NOTE: The option to edit your tip is available for up to one hour after the order is delivered.
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If you didn't leave a tip but would like to add one to, see this article: