Many refinance or seller packages can be completed in under an hour. Purchase packages and multi-signer appointments often take longer. Page count, extra affidavits, and language needs all affect timing.
Build extra time if a witness must be found, if identification is in another name, or if the signer needs to read slowly. The signing agent will not rush a signer into skipping pages.
If you are scheduling for a title company, include estimated page count and signer count so the agent can plan the appointment length.