CHICAGO (NewsNation Now) — It’s expected to be a record-breaking holiday shipping season, as fewer people shop for Christmas in-store and more take to online shopping.

Plus, UPS and FedEx are helping get the COVID-19 vaccine distributed across the country.

To get your gifts where they need to be under the tree on December 25, we put together this shipping deadline guide:

One notable exclusion: Amazon. The company hasn’t published its holiday shipping deadlines.

It’s important to note there is a lot of fine print on the shipper’s websites.

If you’re looking to ship UPS Ground, you have to use a calculator on the carrier’s website to figure out the deadline. FedEx said to check back often to see if there are changes.