If your Italian Consulate here in the U.S. has fully reopened their “Prenot@mi” online booking system, the average timeline to get an appointment is approximately 2 years with a few exceptions such as DC with a wait time of about 6 months and SF with a wait time of 3 years+.
Is that acceptable? The answer is “it depends."
Applicants should keep in mind that they really have three options when it comes to applying for Italian citizenship by descent: