The average return back to work after the laparoscopic appendicectomy is 5-7 days. Probably, your surgeon when you asked must me mentioning of the duration of hospitalization when you asked of time of the recovery.
Hope this helps. Your follow up questions are welcome.
This is an average period. Individuals can take some more times. The signs of problem are, fever, diarrhea, bloating, pain abdomen, nausea and vomiting. If you don't feel good by Sunday evening, you should consider appointment with your operating surgeon for an evaluation.
Hope this helps you. Please feel free, if you have further concerns and queries.