Set the departure time to when you actually need to leave, not a time you hope for. A little flexibility helps matching: drivers publish their own times, so a ride a few minutes either side of yours may still work.
For the way home, think about how long you can wait after work. Check the walking distance on each result as well as the time.
Next: How do I set up a daily ride?
Still need help?
Our team is happy to help at support@sharespacecarpool.com or through the contact form.