The following google doc has timestamps showing what are currently the fastest routes through each level.

As Expedition is an Early Access game as of the time of posting this guide (7-20-2023), the route shown in this document is subject to change, depending on any changes that come about in future updates.

https://docs.google.com/document/d/1GXR49DQ2lCIbjRbXzwMx7DndvpCIoF8Z52v-9RdgH70/edit?usp=sharing